Changes includes: 1. Remove old MSR which not existed in 2018-05 version spec: 1. MSR_CORE_ROB_CR_BKUPTMPDR6 Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> Acked-by: Laszlo Ersek <lersek@redhat.com>