Add smp variables used by e1000 and remove unneeded ifdefs

+ added machine/smp.h as empty file
  + added rtems-bsd-smp.c for a few variables which were needed

rtemsbsd/src/rtems-bsd-smp.c

@@ -0,0 +1,40 @@
+/**
+ * @file
+ *
+ * @ingroup rtems_bsd_rtems
+ *
+ * @brief TODO.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2012.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ */
+
+#include <freebsd/machine/rtems-bsd-config.h>
+
+#include <freebsd/sys/types.h>
+
+#include <freebsd/sys/smp.h>
+#include <freebsd/machine/smp.h>
+
+int mp_ncpus;
+int mp_maxcpus;
+
+static void configure(void *dummy)
+{
+#if defined(RTEMS_SMP)
+  mp_ncpus = rtems_smp_get_number_of_processors();
+  mp_maxcpus = rtems_configuration_smp_maximum_processors;
+#else
+  mp_ncpus = 1;
+  mp_maxcpus = 1;
+#endif
+}
+
+/* XXX setup initialization of this */