sb/intel/i82801gx: Include chip.h directly

Change-Id: I3d743e90444292be687999ab4f50aa89d514fbad
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33171
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/intel/i82801gx/lpc.c

@@ -34,6 +34,7 @@
 #include <southbridge/intel/common/acpi_pirq_gen.h>
 #include <southbridge/intel/common/pmbase.h>
 
+#include "chip.h"
 #include "i82801gx.h"
 #include "nvs.h"