CL/Vulkan: Add 3.0 atomic memory order feature macros With OpenCL 3.0, generic atomic_{load,store} functions are defined with memory_order_seq_cst and memory_scope_device as memory order and scope. For these corresponding feature macros need to be enabled. Setting them up accordingly. Bug: angleproject:379669750 Change-Id: I355cf4107fee10d203837ca0aa4a9f473cd81929 Signed-off-by: hoonee.cho <hoonee.cho@samsung.com> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6981092 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Austin Annestrand <a.annestrand@samsung.com>