With Itanium architecture unsupported, gEfiSalSystemTableGuid and gEfiMpsTableGuid will be no longer used. https://bugzilla.tianocore.org/show_bug.cgi?id=1560 v2:Withdraw the removal of #include <Guid/Mps.h> and gEfiMpsTableGuid. Cc: Jaben Carsey <jaben.carsey@intel.com> Cc: Ray Ni <ray.ni@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com> Reviewed-by: Ray Ni <ray.ni@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>