1. Add SmmServicesTableLib library class/instance.
2. Add SmmIoLibCpuIo/SmmPciLibPciRootBridgeIo library instance.
3. Update some library INF to support SMM_CORE module type.
4. Update dec/dsc to include new modules.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9590 6f19259b-4bc3-4df7-8a09-765794883524