ARM: dts: imx6sx: add multi-queue support enet

Enable 3 queues suppport for ethernet
Signed-off-by: NFrank Li <Frank.Li@freescale.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/arm/boot/dts/imx6sx.dtsi

@@ -776,6 +776,8 @@
 					 <&clks IMX6SX_CLK_ENET_PTP>;
 				clock-names = "ipg", "ahb", "ptp",
 					      "enet_clk_ref", "enet_out";
+				fsl,num-tx-queues=<3>;
+				fsl,num-rx-queues=<3>;
 				status = "disabled";
                         };