drivers/i2c/designware/dw_i2c: add missing types.h include

This will provide the definitions for size_t, uint32_t and uintptr_t.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Icda8d458565bf981545d720d612cbdace04bedd4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61508
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

src/drivers/i2c/designware/dw_i2c.c

@@ -8,6 +8,7 @@
 #include <device/i2c_simple.h>
 #include <string.h>
 #include <timer.h>
+#include <types.h>
 #include "dw_i2c.h"
 
 /* Use a ~10ms timeout for various operations */