CometlakeOpenBoardPkg: Add usage of CometlakeSiliconBinPkg

Updates CometlakeOpenBoardPkg to use CometlakeSiliconBinPkg
instead of CoffeelakeSiliconBinPkg.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Deepika Kethi Reddy <deepika.kethi.reddy@intel.com>
Cc: Kathappan Esakkithevar <kathappan.esakkithevar@intel.com>
Signed-off-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
Reviewed-by: Sai Chaganty <rangasai.v.chaganty@intel.com>
Reviewed-by: Kathappan Esakkithevar <Kathappan.Esakkithevar@intel.com>