Update PCD description.

Signed-off-by: Li Elvin <elvin.li@intel.com>
Reviewed-by: Fan Jeff <jeff.fan@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13992 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed