In order to use latest opencl versions with zeus, carrying llvm9 specific
patches, and conditinally applying based on LLVMVERSION.
In zeus release, LLVMVERSION points to 9.x.
Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>