ARM: dts: vf610-twr: Add simple-card support.

This patch adds and enables simple-card support in DT node.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/vf610-twr.dts

@@ -48,6 +48,35 @@ reg_3p3v: regulator@0 {
 			regulator-always-on;
 		};
 	};
+
+	sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,widgets =
+			"Microphone", "Microphone Jack",
+			"Headphone", "Headphone Jack",
+			"Speaker", "Speaker Ext",
+			"Line", "Line In Jack";
+		simple-audio-card,routing =
+			"MIC_IN", "Microphone Jack",
+			"Microphone Jack", "Mic Bias",
+			"LINE_IN", "Line In Jack",
+			"Headphone Jack", "HP_OUT",
+			"Speaker Ext", "LINE_OUT";
+
+		simple-audio-card,cpu {
+			sound-dai = <&sai2>;
+			master-clkdir-out;
+			frame-master;
+			bitclock-master;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&codec>;
+			frame-master;
+			bitclock-master;
+		};
+	};
 };
 
 &dspi0 {
@@ -88,6 +117,7 @@ &i2c0 {
 	status = "okay";
 
 	codec: sgtl5000@0a {
+	       #sound-dai-cells = <0>;
 	       compatible = "fsl,sgtl5000";
 	       reg = <0x0a>;
 	       VDDA-supply = <&reg_3p3v>;
@@ -165,6 +195,7 @@ VF610_PAD_PTB5__UART1_RX		0x21a1
 };
 
 &sai2 {
+	#sound-dai-cells = <0>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai2>;
 	status = "okay";