lantiq: dts: move localbus childs to dts

The localbus childs are highly board specific and need to be part of the
board dts. Otherwise we run into duplicate unit address issues if a
board has something else (NAND) connected to the bus id.

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

target/linux/lantiq/files/arch/mips/boot/dts/ARV4520PW.dts

@@ -155,11 +155,6 @@
 	};
 };
 
-&gpiomm {
-	status = "okay";
-	lantiq,shadow = <0x400>;
-};
-
 &gsw {
 	/* gpiomm 10 - switch */
 	phy-mode = "rmii";
@@ -201,6 +196,16 @@
 			};
 		};
 	};
+
+	gpiomm: gpiomm@1 {
+		compatible = "lantiq,gpio-mm";
+		reg = <1 0x0 0x10 >;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		lantiq,shadow = <0x400>;
+	};
 };
 
 &pci0 {