All the Shell 2.2 features are implemented except DMEM/MM
changes which are pending on spec change.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Kinney D Michael <kinney.d.michael@intel.com>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>