ARM: dts: imx6sl-evk: Rearrange the regulators node

It is not recommended to place regulators inside "simple-bus", so move
them out.

The motivation for doing this is to make it easier to adding new
regulators.
Signed-off-by: Marco Franchi <marcofrk@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6sl-evk.dts

@@ -39,58 +39,47 @@ user {
 		};
 	};
 
-	regulators {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		reg_usb_otg1_vbus: regulator@0 {
-			compatible = "regulator-fixed";
-			reg = <0>;
-			regulator-name = "usb_otg1_vbus";
-			regulator-min-microvolt = <5000000>;
-			regulator-max-microvolt = <5000000>;
-			gpio = <&gpio4 0 0>;
-			enable-active-high;
-			vin-supply = <&swbst_reg>;
-		};
+	reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_otg1_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&swbst_reg>;
+	};
 
-		reg_usb_otg2_vbus: regulator@1 {
-			compatible = "regulator-fixed";
-			reg = <1>;
-			regulator-name = "usb_otg2_vbus";
-			regulator-min-microvolt = <5000000>;
-			regulator-max-microvolt = <5000000>;
-			gpio = <&gpio4 2 0>;
-			enable-active-high;
-			vin-supply = <&swbst_reg>;
-		};
+	reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_otg2_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio4 2 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&swbst_reg>;
+	};
 
-		reg_aud3v: regulator@2 {
-			compatible = "regulator-fixed";
-			reg = <2>;
-			regulator-name = "wm8962-supply-3v15";
-			regulator-min-microvolt = <3150000>;
-			regulator-max-microvolt = <3150000>;
-			regulator-boot-on;
-		};
+	reg_aud3v: regulator-aud3v {
+		compatible = "regulator-fixed";
+		regulator-name = "wm8962-supply-3v15";
+		regulator-min-microvolt = <3150000>;
+		regulator-max-microvolt = <3150000>;
+		regulator-boot-on;
+	};
 
-		reg_aud4v: regulator@3 {
-			compatible = "regulator-fixed";
-			reg = <3>;
-			regulator-name = "wm8962-supply-4v2";
-			regulator-min-microvolt = <4325000>;
-			regulator-max-microvolt = <4325000>;
-			regulator-boot-on;
-		};
+	reg_aud4v: regulator-aud4v {
+		compatible = "regulator-fixed";
+		regulator-name = "wm8962-supply-4v2";
+		regulator-min-microvolt = <4325000>;
+		regulator-max-microvolt = <4325000>;
+		regulator-boot-on;
+	};
 
-		reg_lcd_3v3: regulator@4 {
-			compatible = "regulator-fixed";
-			reg = <4>;
-			regulator-name = "lcd-3v3";
-			gpio = <&gpio4 3 0>;
-			enable-active-high;
-		};
+	reg_lcd_3v3: regulator-lcd-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-3v3";
+		gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
 	};
 
 	sound {