soc/rockchip/rk3288/include/soc: Add missing include <types.h>

Change-Id: Ibde48d7cff582c91f55ad5f1328aac64d018b3c5
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34235
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/rockchip/rk3288/include/soc/sdram.h

@@ -16,6 +16,8 @@
 #ifndef __SOC_ROCKCHIP_RK3288_SDRAM_H__
 #define __SOC_ROCKCHIP_RK3288_SDRAM_H__
 
+#include <types.h>
+
 enum {
 	DDR3 = 3,
 	LPDDR3 = 6,