Update submodulesto 2021511.

Author: jaykrell

.github/workflows/Platform-Build.yml

@@ -119,6 +119,9 @@ jobs:
       # Stuart Update: Update the build environment
       - name: Stuart Update
         run: stuart_update -c MsvmPkg/PlatformBuild.py TOOL_CHAIN_TAG=${{matrix.tools}}
+
+      # temporary hack, fix upstream (remove DeviceSecurity/SpdmLib/libspdm/include from SecurityPkg)
+      - run: mkdir MU_BASECORE/SecurityPkg/DeviceSecurity/SpdmLib/libspdm/include
 
       # Stuart Build: Perform the build using the specified architecture and target
       - name: Stuart Build

.gitmodules

@@ -1,20 +1,12 @@
 [submodule "MU_BASECORE"]
     path = MU_BASECORE
     url = https://github.com/microsoft/mu_basecore.git
-    branch = release/202502
+    branch = release/202511
 [submodule "Common/MU"]
     path = Common/MU
     url = https://github.com/microsoft/mu_plus.git
-    branch = release/202502
-[submodule "Common/MU_TIANO"]
-    path = Common/MU_TIANO
-    url = https://github.com/microsoft/mu_tiano_plus.git
-    branch = release/202502
+    branch = release/202511
 [submodule "Feature/DEBUGGER"]
     path = Feature/DEBUGGER
     url = https://github.com/microsoft/mu_feature_debugger.git
     branch = main
-[submodule "Silicon/ARM/MU_TIANO"]
-    path = Silicon/ARM/MU_TIANO
-    url = https://github.com/microsoft/mu_silicon_arm_tiano.git
-    branch = release/202502