mvebu: convert mtd-mac-address to nvmem implementation

Define nvmem-cells and convert mtd-mac-address to nvmem implementation.
The conversion is done with an automated script.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

target/linux/mvebu/files/arch/arm64/boot/dts/marvell/armada-3720-gl-mv1000.dts

@@ -169,15 +169,17 @@
 				label = "lan0";
 				phy-handle = <&switch0phy1>;
 
-				mtd-mac-address = <&factory 0x6>;
+				nvmem-cells = <&macaddr_factory_6>;
+				nvmem-cell-names = "mac-address";
 			};
 
 			port@3 {
 				reg = <3>;
 				label = "lan1";
 				phy-handle = <&switch0phy2>;
 
-				mtd-mac-address = <&factory 0x6>;
+				nvmem-cells = <&macaddr_factory_6>;
+				nvmem-cell-names = "mac-address";
 			};
 		};
 
@@ -199,7 +201,8 @@
 };
 
 &eth0 {
-	mtd-mac-address = <&factory 0x0>;
+	nvmem-cells = <&macaddr_factory_0>;
+	nvmem-cell-names = "mac-address";
 	phy-mode = "rgmii-id";
 	status = "okay";
 
@@ -208,3 +211,17 @@
 		full-duplex;
 	};
 };
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_0: macaddr@0 {
+		reg = <0x0 0x6>;
+	};
+
+	macaddr_factory_6: macaddr@6 {
+		reg = <0x6 0x6>;
+	};
+};