southbridge/intel: Tidy up preprocessor and headers

Change-Id: I52a7b39566acd64ac21a345046675e05649a40f5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34980
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/bd82x6x/pch.c b/src/southbridge/intel/bd82x6x/pch.c
index e4eccd7..475def3 100644
--- a/src/southbridge/intel/bd82x6x/pch.c
+++ b/src/southbridge/intel/bd82x6x/pch.c
@@ -24,9 +24,11 @@
 #include <device/pci.h>
 #endif
 #include <device/pci_ops.h>
-#include "pch.h"
 #include <string.h>
 
+#include "chip.h"
+#include "pch.h"
+
 int pch_silicon_revision(void)
 {
 	static int pch_revision_id = -1;