[CMake] Preserve non-PATCH brackets in title using git am --keep-non-patch (#601)

(cherry picked from commit c274f33)

Author: wenju-he

cmake/modules/CMakeFunctions.cmake

@@ -140,7 +140,7 @@ function(apply_patches repo_dir patches_dir base_revision target_branch)
                 message(STATUS "[OPENCL-CLANG] Patch ${patch} is already in local branch - ignore patching")
             else()
                 execute_process( # Apply the patch
-                    COMMAND ${GIT_EXECUTABLE} am --3way --ignore-whitespace -C0 ${patch}
+                    COMMAND ${GIT_EXECUTABLE} am --3way --keep-non-patch --ignore-whitespace -C0 ${patch}
                     WORKING_DIRECTORY ${repo_dir}
                     OUTPUT_VARIABLE patching_log
                     RESULT_VARIABLE ret_apply_patch