lantiq: xrx200: convert FritzBox 7360v2's wifi to nvmem

this was thoroughly tested (warm and cold boots). on a
real 7360v2. This is because there have been documented
hick-ups with other lantiq devices that need the
owl-loader too.

It's likely that the 7360(sl) could be converted in the
same way as well. However the 7362sl uses a reversed
caldata format, so the "qca,no-eeprom" stays in place.

The patch also moves the urloader nvmem partition
definition into the partition section.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9_avm_fritz7360-v2.dts

@@ -42,6 +42,18 @@
 				label = "urlader";
 				reg = <0x00000 0x20000>;
 				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				cal_urlader_985: cal@985 {
+					reg = <0x985 0x440>;
+				};
+
+				macaddr_urlader_a91: macaddr@a91 {
+					reg = <0xa91 0x6>;
+				};
 			};
 
 			partition@20000 {
@@ -78,12 +90,8 @@
 	reset-gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
 };
 
-&urlader {
-	compatible = "nvmem-cells";
-	#address-cells = <1>;
-	#size-cells = <1>;
-
-	macaddr_urlader_a91: macaddr@a91 {
-		reg = <0xa91 0x6>;
-	};
+&wifi {
+	/delete-property/ qca,no-eeprom;
+	nvmem-cells = <&cal_urlader_985>;
+	nvmem-cell-names = "calibration";
 };

target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9_avm_fritz736x.dtsi

@@ -151,7 +151,7 @@
 		#address-cells = <2>;
 		device_type = "pci";
 
-		wifi@168c,002e {
+		wifi: wifi@168c,002e {
 			compatible = "pci168c,002e";
 			reg = <0 0 0 0 0>;
 			qca,no-eeprom; /* load from ath9k-eeprom-pci-0000:01:00.0.bin */

target/linux/lantiq/xrx200/base-files/etc/hotplug.d/firmware/12-ath9k-eeprom

@@ -19,8 +19,7 @@ case "$FIRMWARE" in
 			avm,fritz3390)
 				caldata_extract_reverse "urlader" 0x2546 0x440
 				;;
-			avm,fritz7360sl|\
-			avm,fritz7360-v2)
+			avm,fritz7360sl)
 				caldata_extract "urlader" 0x985 0x1000
 				;;
 			avm,fritz7412|\