UefiCpuPkg CpuCommonFeaturesLib: Fix smx/vmx enable logic error.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed: Jeff Fan <jeff.fan@intel.com>
(cherry picked from commit b1fe2029fa2f473922fb830a2e33c5ae0c0ae20d)
3 files changed