src: Add missing include <stdint.h>

Change-Id: I6a9d71e69ed9230b92f0f330875515a5df29fc06
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29312
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/mediatek/mt8173/include/soc/da9212.h

@@ -16,6 +16,8 @@
 #ifndef __SOC_DA9212_H_
 #define __SOC_DA9212_H_
 
+#include <stdint.h>
+
 void da9212_probe(uint8_t i2c_num);
 
 enum {

src/soc/mediatek/mt8173/include/soc/mt6311.h

@@ -16,6 +16,8 @@
 #ifndef __SOC_MEDIATEK_MT8173_MT6311_H__
 #define __SOC_MEDIATEK_MT8173_MT6311_H__
 
+#include <stdint.h>
+
 void mt6311_probe(uint8_t i2c_num);
 
 enum {