rk3288: tinker: Enable HDMI output

Enable HDMI output for Tinker RK3288 board.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

configs/tinker-rk3288_defconfig

@@ -83,3 +83,9 @@ CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_SMSC95XX=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_ERRNO_STR=y
+CONFIG_DM_VIDEO=y
+CONFIG_VIDEO_BPP16=y
+CONFIG_VIDEO_BPP32=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_DISPLAY_ROCKCHIP_HDMI=y

include/configs/tinker_rk3288.h

@@ -6,7 +6,11 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-#define ROCKCHIP_DEVICE_SETTINGS
+#define ROCKCHIP_DEVICE_SETTINGS \
+		"stdin=serial,cros-ec-keyb\0" \
+		"stdout=serial,vidconsole\0" \
+		"stderr=serial,vidconsole\0"
+
 #include <configs/rk3288_common.h>
 
 #undef BOOT_TARGET_DEVICES