REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3398
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3430
This change introduces a new definition for MM communicate PPI v3.
This PPI will be installed under a new GUID in contrast to exisiting
EFI_PEI_MM_COMMUNICATION_PPI.
Data communicated to MM through EFI_PEI_MM_COMMUNICATION3_PPI should
always start with EFI_MM_COMMUNICATE_HEADER_V3 with its HeaderGuid,
Signature and Version fields properly populated.
Signed-off-by: Kun Qin <kuqin12@gmail.com>