The change doesn't impact the functionality. Cc: Bi Dandan <dandan.bi@intel.com> Cc: Zhang Chao <chao.b.zhang@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: chenc2 <chen.a.chen@intel.com> Reviewed-by: Bi Dandan <dandan.bi@intel.com> Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>