mb/kontron/mal10: Remove unnecessary includes

Built with BUILD_TIMELESS=1, coreboot.rom remains the same.

Signed-off-by: Felix Singer <felixsinger@posteo.net>
Change-Id: Ibc6833d9256800d0e50651cac18a4e81ddbe6895
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48144
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/kontron/mal10/include/carrier/gpio.h

@@ -4,7 +4,6 @@
 #define CARRIER_GPIO_H
 
 #include <gpio.h>
-#include <stddef.h>
 
 /*
  * Bidirectional GPIO port when both RX and TX buffer is enabled

src/mainboard/kontron/mal10/include/variant/gpio.h

@@ -4,7 +4,6 @@
 #define VARIANT_GPIO_H
 
 #include <gpio.h>
-#include <stddef.h>
 
 void variant_early_gpio_configure(void);
 

src/mainboard/kontron/mal10/ramstage.c

@@ -2,7 +2,6 @@
 
 #include <soc/ramstage.h>
 #include <carrier/gpio.h>
-#include <stddef.h>
 
 void mainboard_silicon_init_params(FSP_S_CONFIG *silconfig)
 {

src/mainboard/kontron/mal10/romstage.c

@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <string.h>
 #include <soc/romstage.h>
 #include <FspmUpd.h>