ArmPkg: Create MpCoreInfo PPI and HOB to describe CPU Cores on a MPCore platform

These info are:
- ClusterId, CoreId
- MailBox Set/Get/Clear address



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12423 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Drivers/CpuDxe/CpuDxe.c

@@ -257,6 +257,12 @@ CpuDxeInitialize (
   //
   SyncCacheConfig (&mCpu);
   
+  // If the platform is a MPCore system then install the Configuration Table describing the
+  // secondary core states
+  if (ArmIsMPCore()) {
+    PublishArmProcessorTable();
+  }
+
   //
   // Setup a callback for idle events
   //