soc/rockchip/rk3288/include/soc/display.h: Add missing includes

Change-Id: I3e4824722d3add989a352122b365c2a73f3f703b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46329
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

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

@@ -3,6 +3,9 @@
 #ifndef __SOC_ROCKCHIP_RK3288_DISPLAY_H__
 #define __SOC_ROCKCHIP_RK3288_DISPLAY_H__
 
+#include <device/device.h>
+#include <stdint.h>
+
 /*
  * this bit select edp phy pll, this bit define different between
  * rk3288 and rk3399 in edp phy, so implement it in soc specific code