ARM: dts: imx: use nodes label in board dts

Following omap3-evm.dts way, it changes all imx dts files to use label
in board dts to refer to nodes defined by soc dtsi.  Thus, the board
dts files become easier to read and edit with the least indentation
levels.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts b/arch/arm/boot/dts/imx6q-sabrelite.dts
index d152328..2ce355c 100644
--- a/arch/arm/boot/dts/imx6q-sabrelite.dts
+++ b/arch/arm/boot/dts/imx6q-sabrelite.dts
@@ -21,118 +21,6 @@
 		reg = <0x10000000 0x40000000>;
 	};
 
-	soc {
-		aips-bus@02000000 { /* AIPS1 */
-			spba-bus@02000000 {
-				ecspi@02008000 { /* eCSPI1 */
-					fsl,spi-num-chipselects = <1>;
-					cs-gpios = <&gpio3 19 0>;
-					pinctrl-names = "default";
-					pinctrl-0 = <&pinctrl_ecspi1_1>;
-					status = "okay";
-
-					flash: m25p80@0 {
-						compatible = "sst,sst25vf016b";
-						spi-max-frequency = <20000000>;
-						reg = <0>;
-					};
-				};
-
-				ssi1: ssi@02028000 {
-					fsl,mode = "i2s-slave";
-					status = "okay";
-				};
-			};
-
-			iomuxc@020e0000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_hog>;
-
-				hog {
-					pinctrl_hog: hoggrp {
-						fsl,pins = <
-							1450 0x80000000	/* MX6Q_PAD_NANDF_D6__GPIO_2_6 */
-							1458 0x80000000	/* MX6Q_PAD_NANDF_D7__GPIO_2_7 */
-							121  0x80000000	/* MX6Q_PAD_EIM_D19__GPIO_3_19 */
-							144  0x80000000	/* MX6Q_PAD_EIM_D22__GPIO_3_22 */
-							152  0x80000000	/* MX6Q_PAD_EIM_D23__GPIO_3_23 */
-							1262 0x80000000 /* MX6Q_PAD_SD3_DAT5__GPIO_7_0 */
-							1270 0x1f0b0	/* MX6Q_PAD_SD3_DAT4__GPIO_7_1 */
-							953  0x80000000	/* MX6Q_PAD_GPIO_0__CCM_CLKO */
-						>;
-					};
-				};
-			};
-		};
-
-		aips-bus@02100000 { /* AIPS2 */
-			usb@02184000 { /* USB OTG */
-				vbus-supply = <&reg_usb_otg_vbus>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_usbotg_1>;
-				disable-over-current;
-				status = "okay";
-			};
-
-			usb@02184200 { /* USB1 */
-				status = "okay";
-			};
-
-			ethernet@02188000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_enet_1>;
-				phy-mode = "rgmii";
-				phy-reset-gpios = <&gpio3 23 0>;
-				status = "okay";
-			};
-
-			usdhc@02198000 { /* uSDHC3 */
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_usdhc3_2>;
-				cd-gpios = <&gpio7 0 0>;
-				wp-gpios = <&gpio7 1 0>;
-				vmmc-supply = <&reg_3p3v>;
-				status = "okay";
-			};
-
-			usdhc@0219c000 { /* uSDHC4 */
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_usdhc4_2>;
-				cd-gpios = <&gpio2 6 0>;
-				wp-gpios = <&gpio2 7 0>;
-				vmmc-supply = <&reg_3p3v>;
-				status = "okay";
-			};
-
-			audmux@021d8000 {
-				status = "okay";
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_audmux_1>;
-			};
-
-			uart2: serial@021e8000 {
-				status = "okay";
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_uart2_1>;
-			};
-
-			i2c@021a0000 { /* I2C1 */
-				status = "okay";
-				clock-frequency = <100000>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c1_1>;
-
-				codec: sgtl5000@0a {
-					compatible = "fsl,sgtl5000";
-					reg = <0x0a>;
-					clocks = <&clks 169>;
-					VDDA-supply = <&reg_2p5v>;
-					VDDIO-supply = <&reg_3p3v>;
-				};
-			};
-		};
-	};
-
 	regulators {
 		compatible = "simple-bus";
 
@@ -176,3 +64,107 @@
 		mux-ext-port = <4>;
 	};
 };
+
+&ecspi1 {
+	fsl,spi-num-chipselects = <1>;
+	cs-gpios = <&gpio3 19 0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1_1>;
+	status = "okay";
+
+	flash: m25p80@0 {
+		compatible = "sst,sst25vf016b";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};
+
+&ssi1 {
+	fsl,mode = "i2s-slave";
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	hog {
+		pinctrl_hog: hoggrp {
+			fsl,pins = <
+				1450 0x80000000	/* MX6Q_PAD_NANDF_D6__GPIO_2_6 */
+				1458 0x80000000	/* MX6Q_PAD_NANDF_D7__GPIO_2_7 */
+				121  0x80000000	/* MX6Q_PAD_EIM_D19__GPIO_3_19 */
+				144  0x80000000	/* MX6Q_PAD_EIM_D22__GPIO_3_22 */
+				152  0x80000000	/* MX6Q_PAD_EIM_D23__GPIO_3_23 */
+				1262 0x80000000 /* MX6Q_PAD_SD3_DAT5__GPIO_7_0 */
+				1270 0x1f0b0	/* MX6Q_PAD_SD3_DAT4__GPIO_7_1 */
+				953  0x80000000	/* MX6Q_PAD_GPIO_0__CCM_CLKO */
+			>;
+		};
+	};
+};
+
+&usbotg {
+	vbus-supply = <&reg_usb_otg_vbus>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbotg_1>;
+	disable-over-current;
+	status = "okay";
+};
+
+&usbh1 {
+	status = "okay";
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet_1>;
+	phy-mode = "rgmii";
+	phy-reset-gpios = <&gpio3 23 0>;
+	status = "okay";
+};
+
+&usdhc3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc3_2>;
+	cd-gpios = <&gpio7 0 0>;
+	wp-gpios = <&gpio7 1 0>;
+	vmmc-supply = <&reg_3p3v>;
+	status = "okay";
+};
+
+&usdhc4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc4_2>;
+	cd-gpios = <&gpio2 6 0>;
+	wp-gpios = <&gpio2 7 0>;
+	vmmc-supply = <&reg_3p3v>;
+	status = "okay";
+};
+
+&audmux {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux_1>;
+};
+
+&uart2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2_1>;
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1_1>;
+
+	codec: sgtl5000@0a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		clocks = <&clks 169>;
+		VDDA-supply = <&reg_2p5v>;
+		VDDIO-supply = <&reg_3p3v>;
+	};
+};