Also add sample code to use it. Signed-off-by: ydong10 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12607 6f19259b-4bc3-4df7-8a09-765794883524
Also add sample code to use it. Signed-off-by: ydong10 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12607 6f19259b-4bc3-4df7-8a09-765794883524