IVGCVSW-7024 Add missing license info for reuse lint

Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Change-Id: I97dee6982e0a7be01c13e9e803c0997547a39ff1
diff --git a/cmake/Utils.cmake b/cmake/Utils.cmake
index 3a9d93a..b1cdd4c 100644
--- a/cmake/Utils.cmake
+++ b/cmake/Utils.cmake
@@ -1,3 +1,8 @@
+#
+# Copyright © 2018 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+#
+
 # Function which creates appropriate "source groups" (filter folders in Visual Studio) for the given list of source files
 function(createSourceGroups source1)
     set(sources ${source1} ${ARGN})