SecurityPkg: Tcg2Smm: Added support for Standalone Mm

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

This change added Standalone MM instance of Tcg2. The notify function for
Standalone MM instance is left empty.

A dependency DXE driver with a Depex of gEfiMmCommunication2ProtocolGuid
was created to indicate the readiness of Standalone MM Tcg2 driver.

Lastly, the support of CI build for Tcg2 Standalone MM module is added.

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: <MWHPR06MB3102C3F99CBADFCC5F8A821CF3969@MWHPR06MB3102.namprd06.prod.outlook.com>

SecurityPkg/Tcg/Tcg2Smm/Tcg2MmDependencyDxe.inf

@@ -0,0 +1,43 @@
+## @file
+#  Runtime DXE part corresponding to StandaloneMM Tcg2 module.
+#
+#  This module installs gTcg2MmSwSmiRegisteredGuid to notify readiness of
+#  StandaloneMM Tcg2 module.
+#
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x0001001A
+  BASE_NAME                      = Tcg2MmDependencyDxe
+  FILE_GUID                      = 94C210EA-3113-4563-ADEB-76FE759C2F46
+  MODULE_TYPE                    = DXE_DRIVER
+  ENTRY_POINT                    = Tcg2MmDependencyDxeEntryPoint
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+#
+
+[Sources]
+  Tcg2MmDependencyDxe.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+
+[Guids]
+  gTcg2MmSwSmiRegisteredGuid         ## PRODUCES             ## GUID # Install protocol
+
+[Depex]
+  gEfiMmCommunication2ProtocolGuid