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>

src/northbridge/amd/lx/raminit.c

@@ -19,7 +19,7 @@
 #include <arch/io.h>
 #include <spd.h>
 #include <stddef.h>
-#include "southbridge/amd/cs5536/cs5536.h"
+#include <southbridge/amd/cs5536/cs5536.h>
 #include "raminit.h"
 #include "northbridge.h"
 

src/northbridge/intel/gm45/gm45.h

@@ -17,7 +17,7 @@
 #ifndef __NORTHBRIDGE_INTEL_GM45_GM45_H__
 #define __NORTHBRIDGE_INTEL_GM45_GM45_H__
 
-#include "southbridge/intel/i82801ix/i82801ix.h"
+#include <southbridge/intel/i82801ix/i82801ix.h>
 
 #ifndef __ACPI__
 

src/northbridge/intel/haswell/report_platform.c

@@ -16,7 +16,7 @@
 #include <console/console.h>
 #include <arch/cpu.h>
 #include <string.h>
-#include "southbridge/intel/lynxpoint/pch.h"
+#include <southbridge/intel/lynxpoint/pch.h>
 #include <arch/io.h>
 #include <cpu/x86/msr.h>
 #include "haswell.h"

src/northbridge/intel/nehalem/raminit.c

@@ -56,7 +56,7 @@ typedef u32 device_t;
 
 #include "nehalem.h"
 
-#include "southbridge/intel/ibexpeak/me.h"
+#include <southbridge/intel/ibexpeak/me.h>
 
 #if REAL
 #include <delay.h>

src/northbridge/intel/sandybridge/raminit_mrc.c

@@ -34,7 +34,7 @@
 #include <security/vboot/vboot_common.h>
 
 /* Management Engine is in the southbridge */
-#include "southbridge/intel/bd82x6x/me.h"
+#include <southbridge/intel/bd82x6x/me.h>
 
 /*
  * MRC scrambler seed offsets should be reserved in

src/northbridge/intel/sandybridge/report_platform.c

@@ -16,7 +16,7 @@
 #include <console/console.h>
 #include <arch/cpu.h>
 #include <string.h>
-#include "southbridge/intel/bd82x6x/pch.h"
+#include <southbridge/intel/bd82x6x/pch.h>
 #include <arch/io.h>
 #include "sandybridge.h"
 

src/northbridge/intel/sandybridge/romstage.c

@@ -30,7 +30,7 @@
 #include <halt.h>
 #include <security/tpm/tspi.h>
 #include <northbridge/intel/sandybridge/chip.h>
-#include "southbridge/intel/bd82x6x/pch.h"
+#include <southbridge/intel/bd82x6x/pch.h>
 #include <southbridge/intel/common/gpio.h>
 
 static void early_pch_init(void)