BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2507
Adding the auto-generated assembly files for X64 architectures.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Cc: Mike Kinney <michael.d.kinney@intel.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Christopher Zurcher <christopher.zurcher@microsoft.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>