ARM: dts: sun6i: colombus: Change i2c node name to avoid warnings

Our I2C GPIO bus node name has a unit address, but no reg property, which
generates a warning in DTC. Change the name to remove that unit address.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun6i-a31-colombus.dts

@@ -60,7 +60,7 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
-	i2c_lcd: i2c@0 {
+	i2c_lcd: i2c {
 		/* The lcd panel i2c interface is hooked up via gpios */
 		compatible = "i2c-gpio";
 		pinctrl-names = "default";