UefiCpuPkg/MpInitLib: Add AP assembly code and MP_CPU_EXCHANGE_INFO

UefiCpuPkg/MpInitLib: Add AP assembly code and MP_CPU_EXCHANGE_INFO

Add assembly code for AP reset vector and the definition of MP_CPU_EXCHANGE_INFO
that are used to exchange the data between C code and assembly code when AP wake
up.

v4:
  1. Copy MP_CPU_EXCHANGE_INFO from UefiCpuPkg/CpuMpPei/CpuMpPei.h
  2. Copy MpEqu.inc and MpFuncs.nasm from UefiCpuPkg/CpuMpPei.

v3:
  1. Rename NumApsExecutingLoction to NumApsExecutingLocation
  2. Add whitespace after ; in .nasm file

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>