Update data type of variables which save the opcode numbers to UINTN, in case some configuration module has lots of configuration items. Cc: Liming Gao <liming.gao@intel.com> Cc: Eric Dong <eric.dong@intel.com> Signed-off-by: Brian R Haug <brian.r.haug@intel.com> Reviewed-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Dong <eric.dong@intel.com>