superio/smsc/sch5545/superio.c: Include `stdint.h` and `bsd/helpers.h`

Change-Id: I1b7778b039f57bee5bed4e6e0de562ca052eca39
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60768
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/superio/smsc/sch5545/superio.c

@@ -1,11 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <arch/io.h>
+#include <commonlib/bsd/helpers.h>
 #include <device/device.h>
 #include <device/pnp.h>
 #include <superio/conf_mode.h>
 #include <console/console.h>
 #include <pc80/keyboard.h>
+#include <stdint.h>
 
 #include "sch5545.h"