Move EFI_SMRAM_DESCRIPTOR into PiMultiPhase.h.  Since the top level includes in the other packages all include PiPei.h or PiDxe.h, and PiPei.h and PiDxe.h both include PiuMultiPhase.h, EFI_SMRAM_DESCRIPTOR will be declared for SMM Access 2 Protocol and the SmramMemoryReserve GUIDed HOB.
Move EFI_SMRAM_DESCRIPTOR into PiMultiPhase.h.  Since the top level includes in the other packages all include PiPei.h or PiDxe.h, and PiPei.h and PiDxe.h both include PiuMultiPhase.h, EFI_SMRAM_DESCRIPTOR will be declared for SMM Access 2 Protocol and the SmramMemoryReserve GUIDed HOB.

git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@10104 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2