ARM: dts: rockchip: Fix ddc-i2c-bus for rk3288-vyasa

ddc-i2c-bus routed for HDMI is not i2c2 but i2c5 on
Vyasa RK3288 board.

Add support for fixing the same.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200123134641.30720-2-jagan@amarulasolutions.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-vyasa.dts

@@ -150,7 +150,7 @@ &gpu {
 };
 
 &hdmi {
-	ddc-i2c-bus = <&i2c2>;
+	ddc-i2c-bus = <&i2c5>;
 	status = "okay";
 };
 
@@ -347,7 +347,7 @@ regulator-state-mem {
 	};
 };
 
-&i2c2 {
+&i2c5 {
 	status = "okay";
 };