SecurityPkg: Tcg2Smm: Separate Tcg2Smm into 2 modules

SecurityPkg: Tcg2Smm: Separate Tcg2Smm into 2 modules

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3169

This change separated the original Tcg2Smm module into 2 drivers: the
SMM driver that registers callback for physical presence and memory
clear; the Tcg2Acpi driver that patches and publishes ACPI table for
runtime use.

Tcg2Smm introduced an SMI root handler to allow Tcg2Acpi to communicate
the NVS region used by Tpm.asl and exchange the registered SwSmiValue.

Lastly, Tcg2Smm driver will publish gTcg2MmSwSmiRegisteredGuid at the end
of entrypoint to ensure Tcg2Acpi to load after Tcg2Smm is ready to
communicate.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Qi Zhang <qi1.zhang@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Signed-off-by: Kun Qin <kun.q@outlook.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Message-Id: <MWHPR06MB310295CC623EF7C062844DFFF3969@MWHPR06MB3102.namprd06.prod.outlook.com>