1.Refine the logic about show different attribute.
2.Refine the logic about allocate memory for variable name and data.
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13558 6f19259b-4bc3-4df7-8a09-765794883524