Update ResetSystemLib with PCDs for Reset Control Register and Value
instead of hard code 0x64 and 0xFE.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>