ARM: dts: sunxi: Add missing dmas properties to TCON

The TCON binding mandates a dmas phandle to the DMAengine channel used for
that controller. However, since it's not used in the driver, some device
trees have been missing it. Let's add it.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

arch/arm/boot/dts/sun5i.dtsi

@@ -275,6 +275,7 @@ tcon0: lcd-controller@1c0c000 {
 			compatible = "allwinner,sun5i-a13-tcon";
 			reg = <0x01c0c000 0x1000>;
 			interrupts = <44>;
+			dmas = <&dma SUN4I_DMA_DEDICATED 14>;
 			resets = <&ccu RST_LCD>;
 			reset-names = "lcd";
 			clocks = <&ccu CLK_AHB_LCD>,

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

@@ -285,6 +285,7 @@ tcon0: lcd-controller@1c0c000 {
 			compatible = "allwinner,sun6i-a31-tcon";
 			reg = <0x01c0c000 0x1000>;
 			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dma 11>;
 			resets = <&ccu RST_AHB1_LCD0>;
 			reset-names = "lcd";
 			clocks = <&ccu CLK_AHB1_LCD0>,
@@ -334,6 +335,7 @@ tcon1: lcd-controller@1c0d000 {
 			compatible = "allwinner,sun6i-a31-tcon";
 			reg = <0x01c0d000 0x1000>;
 			interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dma 12>;
 			resets = <&ccu RST_AHB1_LCD1>;
 			reset-names = "lcd";
 			clocks = <&ccu CLK_AHB1_LCD1>,

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

@@ -182,6 +182,7 @@ tcon0: lcd-controller@1c0c000 {
 			/* compatible gets set in SoC specific dtsi file */
 			reg = <0x01c0c000 0x1000>;
 			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&dma 12>;
 			clocks = <&ccu CLK_BUS_LCD>,
 				 <&ccu CLK_LCD_CH0>;
 			clock-names = "ahb",