IntelFsp2Pkg-BaseFspCommonLib: Add funtion to return the reset required status

IntelFsp2Pkg-BaseFspCommonLib: Add funtion to return the reset required status

Added new funtion in FSPCommonLib to update the FSP API return status with
the requested return status and return the control to the boot loader.

Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Satya Yarlagadda <satya.p.yarlagadda@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>