ARM: dts: rockchip: enable dma for uart and mmc on rk3066a

DMA controller driver is in good shape these days on rockchip platforms.
So lets enable DMA for uart and mmc.
Signed-off-by: Paweł Jarosz <paweljarosz3691@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3066a.dtsi

@@ -637,16 +637,25 @@ &i2c4 {
 
 &mmc0 {
 	clock-frequency = <50000000>;
+	dmas = <&dmac2 1>;
+	dma-names = "rx-tx";
 	max-frequency = <50000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4>;
 };
 
 &mmc1 {
+	dmas = <&dmac2 3>;
+	dma-names = "rx-tx";
 	pinctrl-names = "default";
 	pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
 };
 
+&emmc {
+	dmas = <&dmac2 4>;
+	dma-names = "rx-tx";
+};
+
 &pwm0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pwm0_out>;
@@ -678,21 +687,29 @@ &spi1 {
 };
 
 &uart0 {
+	dmas = <&dmac1_s 0>, <&dmac1_s 1>;
+	dma-names = "tx", "rx";
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_xfer>;
 };
 
 &uart1 {
+	dmas = <&dmac1_s 2>, <&dmac1_s 3>;
+	dma-names = "tx", "rx";
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_xfer>;
 };
 
 &uart2 {
+	dmas = <&dmac2 6>, <&dmac2 7>;
+	dma-names = "tx", "rx";
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart2_xfer>;
 };
 
 &uart3 {
+	dmas = <&dmac2 8>, <&dmac2 9>;
+	dma-names = "tx", "rx";
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart3_xfer>;
 };