ARM: dts: imx6qdl: Fix "ERROR: code indent should use tabs where possible"

Fixed code indent tabs in respective imx6qdl dtsi files and
also add space on imx6qdl-icore-rqs.dtsi on usdhc bus-width nodes.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-gw52xx.dtsi

@@ -235,7 +235,7 @@ reg_vdd_soc: sw1 {
 
 			/* VDD_1P8 (1+R1/R2 = 2.505): GPS/VideoIn/ENET-PHY */
 			reg_1p8v: sw2 {
-                                regulator-name = "vdd1p8";
+				regulator-name = "vdd1p8";
 				regulator-min-microvolt = <1033310>;
 				regulator-max-microvolt = <2004000>;
 				lltc,fb-voltage-divider = <301000 200000>;

arch/arm/boot/dts/imx6qdl-gw53xx.dtsi

@@ -227,7 +227,7 @@ reg_vdd_soc: sw1 {
 
 			/* VDD_1P8 (1+R1/R2 = 2.505): GPS/VideoIn/ENET-PHY */
 			reg_1p8v: sw2 {
-                                regulator-name = "vdd1p8";
+				regulator-name = "vdd1p8";
 				regulator-min-microvolt = <1033310>;
 				regulator-max-microvolt = <2004000>;
 				lltc,fb-voltage-divider = <301000 200000>;

arch/arm/boot/dts/imx6qdl-gw552x.dtsi

@@ -162,7 +162,7 @@ reg_vdd_soc: sw1 {
 
 			/* VDD_1P8 (1+R1/R2 = 2.505): ENET-PHY */
 			reg_1p8v: sw2 {
-                                regulator-name = "vdd1p8";
+				regulator-name = "vdd1p8";
 				regulator-min-microvolt = <1033310>;
 				regulator-max-microvolt = <2004000>;
 				lltc,fb-voltage-divider = <301000 200000>;

arch/arm/boot/dts/imx6qdl-icore-rqs.dtsi

@@ -223,7 +223,7 @@ &usdhc3 {
 	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
 	vmcc-supply = <&reg_sd3_vmmc>;
 	cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
-	bus-witdh=<4>;
+	bus-witdh = <4>;
 	no-1-8-v;
 	status = "okay";
 };
@@ -234,7 +234,7 @@ &usdhc4 {
 	pinctrl-1 = <&pinctrl_usdhc4_100mhz>;
 	pinctrl-2 = <&pinctrl_usdhc4_200mhz>;
 	vmcc-supply = <&reg_sd4_vmmc>;
-	bus-witdh=<8>;
+	bus-witdh = <8>;
 	no-1-8-v;
 	non-removable;
 	status = "okay";