When transfer from Unicode to hex number, current code only consider the 0-9 case, not include the A-F case, now update code to consider all.

Signed-off-by: Dong Eric <eric.dong@intel.com>
Reviewed-by: Ni Ruiyu <ruiyu.ni@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13159 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed