ramips: correct typo ubsphy -> usbphy

This appears to be a typo.

Signed-off-by: Russell Senior <russell@personaltelco.net>

SVN-Revision: 41859

target/linux/ramips/dts/mt7620a.dtsi

@@ -349,7 +349,7 @@
 		#reset-cells = <1>;
 	};
 
-	ubsphy {
+	usbphy {
 		compatible = "ralink,mt7620a-usbphy";
 
 		resets = <&rstctrl 22 &rstctrl 25>;

target/linux/ramips/dts/mt7620n.dtsi

@@ -223,7 +223,7 @@
 		#reset-cells = <1>;
 	};
 
-	ubsphy {
+	usbphy {
 		compatible = "ralink,mt7620a-usbphy";
 
 		resets = <&rstctrl 22 &rstctrl 25>;

target/linux/ramips/dts/rt5350.dtsi

@@ -237,7 +237,7 @@
 		#reset-cells = <1>;
 	};
 
-	ubsphy {
+	usbphy {
 		compatible = "ralink,rt3xxx-usbphy";
 
 		resets = <&rstctrl 22 &rstctrl 25>;