Add missing SCSI_IO related definitions.

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>

git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg@14653 6f19259b-4bc3-4df7-8a09-765794883524
Update UpdateCapsule() service return status to follow UEFI2.3.1 D.

Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>




git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg@14655 6f19259b-4bc3-4df7-8a09-765794883524