boot: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

boot/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/boot/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

boot/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/mcuboot/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/boot/mcuboot/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

boot/mcuboot/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/mcuboot/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/mcuboot/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/mcuboot/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/miniboot/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/boot/miniboot/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

boot/miniboot/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/miniboot/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/miniboot/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/miniboot/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/miniboot/miniboot_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/miniboot/miniboot_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/boot/nxboot/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

boot/nxboot/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/nxboot/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/nxboot/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/boot/nxboot/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boot/nxboot/include/nxboot.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/nxboot/include/nxboot.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/loader/boot.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/nxboot/loader/boot.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/loader/flash.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/nxboot/loader/flash.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/loader/flash.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/nxboot/loader/flash.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/nxboot_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/boot/nxboot/nxboot_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boot/nxboot/tools/nximage.py

@@ -1,3 +1,25 @@
+#!/usr/bin/env python3
+############################################################################
+# apps/boot/nxboot/tools/nximage.py
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
 """Python script that prepares the NuttX image to be used with NX bootloader"""
 
 import argparse