ARM: dts: vf610: i2c: Add eDMA support

Add i2c dts node properties for eDMA support, them depend on the eDMA driver.
Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/vf610.dtsi

@@ -285,6 +285,9 @@ i2c0: i2c@40066000 {
 				interrupts =<0 71 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clks VF610_CLK_I2C0>;
 				clock-names = "ipg";
+				dmas = <&edma0 0 50>,
+					<&edma0 0 51>;
+				dma-names = "rx","tx";
 				status = "disabled";
 			};