Add CMSIS_VER compile definition

CMSIS version is required to include appropriate header files from
different CMSIS versions. This patch adds a compile definition for
cmsis version.

Signed-off-by: Rajasekaran Kalidoss <rajasekaran.kalidoss@arm.com>
Change-Id: I9839a3470574197ef9a27ea73a78669be052d9e9
diff --git a/cmsis.cmake b/cmsis.cmake
index 6e1cc4f..5f700ec 100644
--- a/cmsis.cmake
+++ b/cmsis.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019-2022, 2024 Arm Limited.
+# SPDX-FileCopyrightText: Copyright 2019-2022, 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the License); you may
@@ -37,6 +37,7 @@
 # CMSIS core
 add_library(cmsis_core INTERFACE)
 target_include_directories(cmsis_core INTERFACE ${CMSIS_PATH}/CMSIS/Core/Include)
+target_compile_definitions(cmsis_core INTERFACE "CMSIS_VER=${CMSIS_VER}")
 
 # CMSIS device
 add_library(cmsis_device INTERFACE)