ARM: dts: imx6q-sabrelite: add audmux device

Signed-off-by: NRichard Zhao <richard.zhao@linaro.org>
Signed-off-by: NRichard Zhao <richard.zhao@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6q-sabrelite.dts

@@ -65,6 +65,10 @@
 				status = "okay";
 			};
 
+			audmux@021d8000 {
+				status = "okay";
+			};
+
 			uart2: serial@021e8000 {
 				status = "okay";
 			};

arch/arm/boot/dts/imx6q.dtsi

@@ -655,7 +655,9 @@
 			};
 
 			audmux@021d8000 {
+				compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux";
 				reg = <0x021d8000 0x4000>;
+				status = "disabled";
 			};
 
 			mipi@021dc000 { /* MIPI-CSI */