Revert move of version.h to tf-psa-crypto libray

This commit moves version.h back into /include/mbedtls from
tf-psa-crypto/drivers/builtin/include. This commit also changes the
necessary build files and scripts to generate version_features.c

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>

library/version.c

@@ -0,0 +1,32 @@
+/*
+ *  Version information
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_VERSION_C)
+
+#include "mbedtls/version.h"
+#include <string.h>
+
+unsigned int mbedtls_version_get_number(void)
+{
+    return MBEDTLS_VERSION_NUMBER;
+}
+
+void mbedtls_version_get_string(char *string)
+{
+    memcpy(string, MBEDTLS_VERSION_STRING,
+           sizeof(MBEDTLS_VERSION_STRING));
+}
+
+void mbedtls_version_get_string_full(char *string)
+{
+    memcpy(string, MBEDTLS_VERSION_STRING_FULL,
+           sizeof(MBEDTLS_VERSION_STRING_FULL));
+}
+
+#endif /* MBEDTLS_VERSION_C */