MdeModulePkg: VarCheckUefiLib: Add DeployedMode/AuditMode var check logic

DeployedMode & AuditMode are UINT8 Global variable according to Enable Secure Boot feature defined in UEFI2.5 Mantis 1263. Add them to var check list.
  https://mantis.uefi.org/mantis/view.php?id=1263

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Zeng Star <star.zeng@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19131 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Library/VarCheckUefiLib/VarCheckUefiLibNullClass.c

@@ -425,6 +425,28 @@ UEFI_DEFINED_VARIABLE_ENTRY mGlobalVariableList[] = {
     },
     NULL
   },
+  {
+    EFI_AUDIT_MODE_NAME,
+    {
+      VAR_CHECK_VARIABLE_PROPERTY_REVISION,
+      0,
+      VARIABLE_ATTRIBUTE_BS_RT,
+      sizeof (UINT8),
+      sizeof (UINT8)
+    },
+    NULL
+  },
+  {
+    EFI_DEPLOYED_MODE_NAME,
+    {
+      VAR_CHECK_VARIABLE_PROPERTY_REVISION,
+      0,
+      VARIABLE_ATTRIBUTE_BS_RT,
+      sizeof (UINT8),
+      sizeof (UINT8)
+    },
+    NULL
+  },
   {
     EFI_KEY_EXCHANGE_KEY_NAME,
     {