CorebootModulePkg: Add a library to parse platform specific info.

Update CbSupportPei to consume the new library, so platform could provide
platform specific library instance to parse platform specif info.
And add a NULL library instance to pass build.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: gdong1 <guo.dong@intel.com>
Reviewed-by: Maurice Ma <maurice.ma@intel.com>

CorebootModulePkg/CbSupportPei/CbSupportPei.c

@@ -387,6 +387,15 @@ CbPeiEntryPoint (
     DEBUG ((EFI_D_ERROR, "Create frame buffer info guid hob\n"));
   }
 
+  //
+  // Parse platform specific information from coreboot. 
+  //
+  Status = CbParsePlatformInfo ();
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "Error when parsing platform info, Status = %r\n", Status));
+    return Status;
+  }
+
   //
   // Mask off all legacy 8259 interrupt sources
   //