The patch adds GOP and SimpleTextIn[Ex] support. Now firmware can boot to UI and Shell but timer doesn't work. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Andrew Fish <afish@apple.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com>