ARM: sun8i: a23/a33: Add RGB666 pins

The LCD output needs to be muxed. Add the proper pinctrl node.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun8i-a23-a33.dtsi

@@ -302,6 +302,16 @@ i2c2_pins_a: i2c2@0 {
 				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 			};
+
+			lcd_rgb666_pins: lcd-rgb666@0 {
+				allwinner,pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
+						 "PD10", "PD11", "PD12", "PD13", "PD14", "PD15",
+			                         "PD18", "PD19", "PD20", "PD21", "PD22", "PD23",
+			                         "PD24", "PD25", "PD26", "PD27";
+				allwinner,function = "lcd0";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
 		};
 
 		timer@01c20c00 {