UefiPayloadPkg: change the default value of some PCDs.

UefiPayloadPkg: change the default value of some PCDs.

Change the default value of the below PCDs to diable some legacy feature.
  gEfiMdeModulePkgTokenSpaceGuid.PcdHiiOsRuntimeSupport|FALSE
  gEfiMdeModulePkgTokenSpaceGuid.PcdPciDegradeResourceForOptionRom|FALSE
  gUefiCpuPkgTokenSpaceGuid.PcdCpuNumberOfReservedVariableMtrrs|0

Reviewed-by: Guo Dong <guo.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>