src/southbridge: Remove unused <string.h>

Change-Id: Idc0cd9d6865cd9c1b95e6c838795cce9dbc643a3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60554
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/southbridge/intel/bd82x6x/early_me.c

@@ -8,7 +8,6 @@
 #include <device/pci_def.h>
 #include <halt.h>
 #include <southbridge/intel/common/me.h>
-#include <string.h>
 #include <timestamp.h>
 #include "me.h"
 #include "pch.h"

src/southbridge/intel/bd82x6x/early_me_mrc.c

@@ -7,7 +7,7 @@
 #include <device/pci_def.h>
 #include <halt.h>
 #include <southbridge/intel/common/me.h>
-#include <string.h>
+
 #include "me.h"
 #include "pch.h"
 

src/southbridge/intel/bd82x6x/me.c

@@ -17,7 +17,6 @@
 #include <console/console.h>
 #include <device/pci_ids.h>
 #include <device/pci_def.h>
-#include <string.h>
 #include <delay.h>
 #include <elog.h>
 #include <halt.h>

src/southbridge/intel/bd82x6x/me_smm.c

@@ -6,7 +6,6 @@
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <stdint.h>
-#include <string.h>
 
 #include "me.h"
 #include "pch.h"

src/southbridge/intel/common/acpi_pirq_gen.c

@@ -4,7 +4,6 @@
 #include <acpi/acpigen_pci.h>
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
-#include <string.h>
 
 #include "acpi_pirq_gen.h"
 

src/southbridge/intel/lynxpoint/early_me.c

@@ -5,7 +5,7 @@
 #include <console/console.h>
 #include <delay.h>
 #include <halt.h>
-#include <string.h>
+
 #include "me.h"
 #include "pch.h"