UefiCpuPkg/PiSmmCpuDxeSmm: Use public MSR_IA32_MISC_ENABLE definition

UefiCpuPkg/PiSmmCpuDxeSmm: Use public MSR_IA32_MISC_ENABLE definition

Use the MSR MSR_IA32_MISC_ENABLE definition defined in UefiCpuPkg/Include and
remove the local definition.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>