ARM: dts: imx23: drop incorrect reg in fixed regulators

Fixed regulators are not in some bus and bindings do not allow a "reg"
property.  Move them out of "regulators" node to top-level.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/mxs/imx23-olinuxino.dts

@@ -101,21 +101,14 @@ usb0: usb@80080000 {
 		};
 	};
 
-	regulators {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		reg_usb0_vbus: regulator@0 {
-			compatible = "regulator-fixed";
-			reg = <0>;
-			regulator-name = "usb0_vbus";
-			regulator-min-microvolt = <5000000>;
-			regulator-max-microvolt = <5000000>;
-			enable-active-high;
-			startup-delay-us = <300>; /* LAN9215 requires a POR of 200us minimum */
-			gpio = <&gpio0 17 0>;
-		};
+	reg_usb0_vbus: regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "usb0_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		enable-active-high;
+		startup-delay-us = <300>; /* LAN9215 requires a POR of 200us minimum */
+		gpio = <&gpio0 17 0>;
 	};
 
 	leds {

arch/arm/boot/dts/nxp/mxs/imx23-stmp378x_devb.dts

@@ -59,18 +59,11 @@ duart: serial@80070000 {
 		};
 	};
 
-	regulators {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		reg_vddio_sd0: regulator@0 {
-			compatible = "regulator-fixed";
-			reg = <0>;
-			regulator-name = "vddio-sd0";
-			regulator-min-microvolt = <3300000>;
-			regulator-max-microvolt = <3300000>;
-			gpio = <&gpio1 29 0>;
-		};
+	reg_vddio_sd0: regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vddio-sd0";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio1 29 0>;
 	};
 };