ARM: dts: rockchip: enable the hdmi output on the rk3288-firefly-reload

The vdd10_lcd and vcc18_lcd regulators need to be enabled for HDMI output
to work, so add 'regulator-always-on', just as is done in rk3288-firefly.dtsi.

Also enable i2c5, the hdmi block and configure the correc cec pin.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-firefly-reload.dts

@@ -226,6 +226,13 @@
 	};
 };
 
+&hdmi {
+	ddc-i2c-bus = <&i2c5>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_cec_c0>;
+	status = "okay";
+};
+
 &i2c0 {
 	hym8563: hym8563@51 {
 		compatible = "haoyu,hym8563";
@@ -255,6 +262,10 @@
 	};
 };
 
+&i2c5 {
+	status = "okay";
+};
+
 &i2s {
 	status = "okay";
 };