[ADLS] Fix Tcc issue caused due to incorrect UPD setting.

Some of the RTCT table entries werent populated due to this
missing UPD setting. Hence, assigning it to the correct value.

TEST= Verified the fix on ADLS board.

Signed-off-by: Sindhura Grandhi <sindhura.grandhi@intel.com>

Platform/AlderlakeBoardPkg/Library/FspsUpdUpdateLib/FspsUpdUpdateLib.c

@@ -387,6 +387,10 @@ TccModePostMemConfig (
     FspsUpd->FspsConfig.TccCacheCfgBase = (UINT32)(UINTN)TccCacheconfigBase;
     FspsUpd->FspsConfig.TccCacheCfgSize = TccCacheconfigSize;
     DEBUG ((DEBUG_INFO, "Load Tcc Cache @0x%p, size = 0x%x\n", TccCacheconfigBase, TccCacheconfigSize));
+
+    if (IsPchS ()) {
+      FspsUpd->FspsConfig.TccMode = 1;
+    }
   }
 
   // Load Tcc Crl binary from container