src/nb: Fix non-local header treated as local

Change-Id: I8174d7b40008cfe4fba10fde4670682aac0ad078
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27131
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/northbridge/intel/nehalem/raminit.c b/src/northbridge/intel/nehalem/raminit.c
index bd2042e..94d9af8 100644
--- a/src/northbridge/intel/nehalem/raminit.c
+++ b/src/northbridge/intel/nehalem/raminit.c
@@ -56,7 +56,7 @@
 
 #include "nehalem.h"
 
-#include "southbridge/intel/ibexpeak/me.h"
+#include <southbridge/intel/ibexpeak/me.h>
 
 #if REAL
 #include <delay.h>