UefiCpuPkg/Test: develop UEFI App and dynamic cmd for MP services UT

UefiCpuPkg/Test: develop UEFI App and dynamic cmd for MP services UT

The code changes develop UEFI application and dynamic command for
EfiMpServiceProtocol unit tests based on current UnitTestFramework.

Signed-off-by: Jason Lou <yun.lou@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Reviewed-by: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Dun Tan <dun.tan@intel.com>