UefiCpuPkg: Add ExceptionHandlerData for ArchSaveExceptionContext()

UefiCpuPkg: Add ExceptionHandlerData for ArchSaveExceptionContext()

mReservedVectors is not set, we could add parameter ExceptionHandlerData for
ArchSaveExceptionContext() that could use it instead of mReservedVectors.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael D 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>