Vlv2TbltDevicePkg/PlatformSmm: Switch to PI SMM Protocols

Change use of Intel Framework SMM Protocols to PI SMM
Protocols. This removes Intel Framework dependencies.
The PI SMM Protocols added are:

* gEfiSmmPowerButtonDispatch2ProtocolGuid
* gEfiSmmSxDispatch2ProtocolGuid
* gEfiSmmSwDispatch2ProtocolGuid

Cc: Zailiang Sun <zailiang.sun@intel.com>
Cc: Yi Qian <yi.qian@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-By: Zailiang Sun <zailiang.sun@intel.com>