ath79: fix typos in DTS

Replace "usb_ochi" with "usb_ohci", and "usb_echi" with "usb_ehci".

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>

target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dts

@@ -47,7 +47,7 @@
 		usb {
 			label = "buffalo:green:usb";
 			gpios = <&ath9k0 3 GPIO_ACTIVE_LOW>;
-			trigger-sources = <&usb_ochi_port>, <&usb_echi_port>;
+			trigger-sources = <&usb_ohci_port>, <&usb_ehci_port>;
 			linux,default-trigger = "usbport";
 		};
 
@@ -180,7 +180,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_ochi_port: port@1 {
+	usb_ohci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};
@@ -191,7 +191,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_echi_port: port@1 {
+	usb_ehci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};

target/linux/ath79/dts/ar7161_dlink_dir-825-b1.dts

@@ -34,7 +34,7 @@
 		usb {
 			label = "d-link:blue:usb";
 			gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
-			trigger-sources = <&usb_ochi_port>, <&usb_echi_port>;
+			trigger-sources = <&usb_ohci_port>, <&usb_ehci_port>;
 			linux,default-trigger = "usbport";
 		};
 
@@ -123,7 +123,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_ochi_port: port@1 {
+	usb_ohci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};
@@ -134,7 +134,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_echi_port: port@1 {
+	usb_ehci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};

target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi

@@ -31,7 +31,7 @@
 		usb_led {
 			label = "netgear:green:usb";
 			resets = <&rst 12>;
-			trigger-sources = <&usb_ochi_port>, <&usb_echi_port>;
+			trigger-sources = <&usb_ohci_port>, <&usb_ehci_port>;
 			linux,default-trigger = "usbport";
 		};
 	};
@@ -133,7 +133,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_ochi_port: port@1 {
+	usb_ohci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};
@@ -144,7 +144,7 @@
 	#size-cells = <0>;
 	status = "okay";
 
-	usb_echi_port: port@1 {
+	usb_ehci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};

target/linux/ath79/dts/ar7161_ubnt_routerstation.dtsi

@@ -85,7 +85,7 @@
 	#address-cells = <1>;
 	#size-cells = <0>;
 
-	usb_ochi_port: port@1 {
+	usb_ohci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};
@@ -96,7 +96,7 @@
 	#address-cells = <1>;
 	#size-cells = <0>;
 
-	usb_echi_port: port@1 {
+	usb_ehci_port: port@1 {
 		reg = <1>;
 		#trigger-source-cells = <0>;
 	};