ramips: convert mediatek,mtd-eeprom from decimal to hex notation

A small subset of devices uses decimal notation for mediatek,mtd-eeprom
in DTS files. Convert to hexadecimal notation to be consistent with
all the rest.

Also change "0" to "0x0" in the same files for consistency.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ramips/dts/mt7620a_tplink_archer-c20i.dts

@@ -149,7 +149,7 @@
 };
 
 &wmac {
-	ralink,mtd-eeprom = <&radio 0>;
+	ralink,mtd-eeprom = <&radio 0x0>;
 };
 
 &pcie {
@@ -159,7 +159,7 @@
 &pcie0 {
 	mt76@0,0 {
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&radio 32768>;
+		mediatek,mtd-eeprom = <&radio 0x8000>;
 		ieee80211-freq-limit = <5000000 6000000>;
 	};
 };

target/linux/ramips/dts/mt7620a_tplink_archer-c50-v1.dts

@@ -176,7 +176,7 @@
 };
 
 &wmac {
-	ralink,mtd-eeprom = <&radio 0>;
+	ralink,mtd-eeprom = <&radio 0x0>;
 	mtd-mac-address = <&rom 0xf100>;
 	mtd-mac-address-increment = <(-2)>;
 	pinctrl-names = "default";
@@ -190,7 +190,7 @@
 &pcie0 {
 	mt76@0,0 {
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&radio 32768>;
+		mediatek,mtd-eeprom = <&radio 0x8000>;
 		ieee80211-freq-limit = <5000000 6000000>;
 		mtd-mac-address = <&rom 0xf100>;
 		mtd-mac-address-increment = <(-1)>;

target/linux/ramips/dts/mt7620a_tplink_archer-mr200.dts

@@ -187,7 +187,7 @@
 };
 
 &wmac {
-	ralink,mtd-eeprom = <&radio 0>;
+	ralink,mtd-eeprom = <&radio 0x0>;
 };
 
 &pcie {
@@ -197,6 +197,6 @@
 &pcie0 {
 	mt76@0,0 {
 		reg = <0x0000 0 0 0 0>;
-		mediatek,mtd-eeprom = <&radio 32768>;
+		mediatek,mtd-eeprom = <&radio 0x8000>;
 	};
 };