UefiCpuPkg: Move ProgramVirtualWireMode() to MpInitLib
    
    In PEI phase, BSP did not program vitural wired mode while APs did.
    
    Move program virtual wired mode from CpuDxe to MpInitLib, thus it could benefit
    on both CpuDxe and CpuMpPei.
    
    https://bugzilla.tianocore.org/show_bug.cgi?id=496
    
    Cc: Feng Tian <feng.tian@intel.com>
    Cc: Michael Kinney <michael.d.kinney@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.0
    Signed-off-by: Jeff Fan <jeff.fan@intel.com>
    Reviewed-by: Feng Tian <feng.tian@intel.com>