ramips: unify partition node names in dts files

Use partition@ as name for all partition nodes. Add a label where
necessary.

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/ramips/dts/AR670W.dts

@@ -20,19 +20,19 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		u-boot@0 {
+		partition@0 {
 			reg = <0x0 0x30000>;
 			label = "u-boot";
 			read-only;
 		};
 
-		factory: factory@30000 {
+		factory: partition@30000 {
 			reg = <0x30000 0x10000>;
 			label = "factory";
 			read-only;
 		};
 
-		firmware@40000 {
+		partition@40000 {
 			reg = <0x40000 0x3c0000>;
 			label = "firmware";
 		};

target/linux/ramips/dts/AR725W.dts

@@ -20,24 +20,24 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		u-boot@0 {
+		partition@0 {
 			reg = <0x0 0x30000>;
 			label = "u-boot";
 			read-only;
 		};
 
-		u-boot-env@30000 {
+		partition@30000 {
 			reg = <0x30000 0x10000>;
 			label = "u-boot-env";
 		};
 
-		factory: factory@40000 {
+		factory: partition@40000 {
 			reg = <0x40000 0x10000>;
 			label = "factory";
 			read-only;
 		};
 
-		firmware@50000 {
+		partition@50000 {
 			reg = <0x50000 0x3B0000>;
 			label = "firmware";
 		};

target/linux/ramips/dts/K2G.dts

@@ -58,28 +58,33 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 
-			u-boot@0 {
+			partition@0 {
 				reg = <0x0 0x30000>;
+				label = "u-boot";
 				read-only;
 			};
 
-			u-boot-env@30000 {
+			partition@30000 {
 				reg = <0x30000 0x10000>;
+				label = "u-boot-env";
 				read-only;
 			};
 
-			factory: factory@40000 {
+			factory: partition@40000 {
 				reg = <0x40000 0x10000>;
+				label = "factory";
 				read-only;
 			};
 
-			permanent_config@50000 {
+			partition@50000 {
 				reg = <0x50000 0x50000>;
+				label = "permanent_config";
 				read-only;
 			};
 
-			firmware@a0000 {
+			partition@a0000 {
 				reg = <0xa0000 0x760000>;
+				label = "firmware";
 			};
 		};
 	};