src/southbridge: Remove unused <stdlib.h>

Change-Id: I5728b44fdd680b21e951397a2390e24f9171ac34
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32829
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/amd/agesa/hudson/spi.c

@@ -13,7 +13,6 @@
  * GNU General Public License for more details.
  */
 #include <stdint.h>
-#include <stdlib.h>
 #include <device/mmio.h>
 #include <console/console.h>
 #include <spi_flash.h>

src/southbridge/intel/bd82x6x/me_status.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <stdlib.h>
 #include <console/console.h>
 #include "me.h"
 

src/southbridge/intel/common/smbus.c

@@ -19,7 +19,6 @@
 #include <arch/io.h>
 #include <console/console.h>
 #include <device/smbus_def.h>
-#include <stdlib.h>
 #include <types.h>
 
 #include "smbus.h"

src/southbridge/intel/i82801ix/i82801ix.c

@@ -16,7 +16,6 @@
  * GNU General Public License for more details.
  */
 
-#include <stdlib.h>
 #include <arch/io.h>
 #include <device/pci_ops.h>
 #include <device/device.h>

src/southbridge/intel/i82801jx/i82801jx.c

@@ -16,7 +16,6 @@
  * GNU General Public License for more details.
  */
 
-#include <stdlib.h>
 #include <arch/io.h>
 #include <device/pci_ops.h>
 #include <device/device.h>

src/southbridge/intel/lynxpoint/me_status.c

@@ -14,7 +14,6 @@
  * GNU General Public License for more details.
  */
 
-#include <stdlib.h>
 #include <console/console.h>
 #include "me.h"
 

src/southbridge/intel/lynxpoint/serialio.c

@@ -21,7 +21,6 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
-#include <stdlib.h>
 #include "chip.h"
 #include "pch.h"
 #include "nvs.h"