nb/intel/sandybridge: Add missing includes

Change-Id: I9d54d0923a595734a84256ddcafb9dae17615cb0
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43348
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 4cd833f..264d1e2 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -36,7 +36,7 @@
 
 /* Everything below this line is ignored in the DSDT */
 #ifndef __ACPI__
-#include <cpu/intel/model_206ax/model_206ax.h>
+#include <stdint.h>
 
 /* Chipset types */
 enum platform_type {