Additional updates to docs links

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

SUPPORT.md

@@ -2,7 +2,7 @@
 
 Here are some useful sources of information about using Mbed TLS:
 
-- [ReadTheDocs](https://tls.mbed.org/kb);
+- [ReadTheDocs](https://mbed-tls.readthedocs.io/);
 - API documentation, see the [Documentation section of the
   README](README.md#License);
 - the `docs` directory in the source tree;

docs/architecture/testing/test-framework.md

@@ -6,7 +6,7 @@ This document is incomplete. You can help by expanding it.
 
 ## Unit tests
 
-See <https://tls.mbed.org/kb/development/test_suites>
+See <https://mbed-tls.readthedocs.io/en/latest/kb/development/test_suites>
 
 ### Unit test descriptions
 

include/mbedtls/config.h

@@ -3030,7 +3030,7 @@
  *
  * \note See also our Knowledge Base article about porting to a new
  * environment:
- * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ * https://mbed-tls.readthedocs.io/en/latest/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
  *
  * Module:  library/net_sockets.c
  *
@@ -3456,7 +3456,7 @@
  * contexts are not shared between threads. If you do intend to use contexts
  * between threads, you will need to enable this layer to prevent race
  * conditions. See also our Knowledge Base article about threading:
- * https://tls.mbed.org/kb/development/thread-safety-and-multi-threading
+ * https://mbed-tls.readthedocs.io/en/latest/kb/development/thread-safety-and-multi-threading
  *
  * Module:  library/threading.c
  *
@@ -3488,7 +3488,7 @@
  *
  * \note See also our Knowledge Base article about porting to a new
  * environment:
- * https://tls.mbed.org/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
+ * https://mbed-tls.readthedocs.io/en/latest/kb/how-to/how-do-i-port-mbed-tls-to-a-new-environment-OS
  *
  * Module:  library/timing.c
  * Caller:  library/havege.c

include/mbedtls/ssl.h

@@ -2000,7 +2000,7 @@ int mbedtls_ssl_check_record( mbedtls_ssl_context const *ssl,
  *                 here, except if using an event-driven style.
  *
  * \note           See also the "DTLS tutorial" article in our knowledge base.
- *                 https://tls.mbed.org/kb/how-to/dtls-tutorial
+ *                 https://mbed-tls.readthedocs.io/en/latest/kb/how-to/dtls-tutorial
  */
 void mbedtls_ssl_set_timer_cb( mbedtls_ssl_context *ssl,
                                void *p_timer,