Introduce EArchCommonObjMcfgPciConfigSpaceInfo as an alias for EArchCommonObjPciConfigSpaceInfo. The CM_ARCH_COMMON_PCI_CONFIG_SPACE_INFO object is utilized by both the MCFG and ACPI SSDT PCIE generators. Assigning a unique configuration object ID ensures the platform configuration driver supplies the correct data. Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>