It's to follow the PI spec 1.4.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jie Lin <jie.lin@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17367 6f19259b-4bc3-4df7-8a09-765794883524