If MaxLogicalProcessorNumber is only 1, we needn't to wake up APs at all
and needn't to register callback functions.
It could improve boot performance on single supported system.
https://bugzilla.tianocore.org/show_bug.cgi?id=204
Cc: Feng Tian <feng.tian@intel.com>
Cc: Liming Gao <liming.gao@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>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>