ARM: dts: imx50: remove non-existent USB instances

According to the i.MX50 Reference Manual, the SoC features one USB OTG
and one host controller. Remove the non-existent instances from the
DTS which probably got initially copied from the mx53 DTS.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx50-evk.dts

@@ -98,14 +98,6 @@ &usbh1 {
 	status = "okay";
 };
 
-&usbh2 {
-	status = "okay";
-};
-
-&usbh3 {
-	status = "okay";
-};
-
 &usbotg {
 	status = "okay";
 };

arch/arm/boot/dts/imx50.dtsi

@@ -209,24 +209,6 @@ usbh1: usb@53f80200 {
 				status = "disabled";
 			};
 
-			usbh2: usb@53f80400 {
-				compatible = "fsl,imx50-usb", "fsl,imx27-usb";
-				reg = <0x53f80400 0x0200>;
-				interrupts = <16>;
-				clocks = <&clks IMX5_CLK_USBOH3_GATE>;
-				dr_mode = "host";
-				status = "disabled";
-			};
-
-			usbh3: usb@53f80600 {
-				compatible = "fsl,imx50-usb", "fsl,imx27-usb";
-				reg = <0x53f80600 0x0200>;
-				interrupts = <17>;
-				clocks = <&clks IMX5_CLK_USBOH3_GATE>;
-				dr_mode = "host";
-				status = "disabled";
-			};
-
 			gpio1: gpio@53f84000 {
 				compatible = "fsl,imx50-gpio", "fsl,imx35-gpio";
 				reg = <0x53f84000 0x4000>;