ramips: ArcherC20v4: use common TP-Link dtsi file

and remove common part from dts file.

Signed-off-by: Henryk Heisig <hyniu@o2.pl>

target/linux/ramips/dts/ArcherC20v4.dts

@@ -1,6 +1,6 @@
 /dts-v1/;
 
-#include "mt7628an.dtsi"
+#include "TPLINK-8M.dtsi"
 
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
@@ -9,10 +9,6 @@
 	compatible = "tplink,c20-v4", "mediatek,mt7628an-soc";
 	model = "TP-Link Archer C20 v4";
 
-	chosen {
-		bootargs = "console=ttyS0,115200";
-	};
-
 	gpio-leds {
 		compatible = "gpio-leds";
 
@@ -70,78 +66,13 @@
 			linux,code = <KEY_RFKILL>;
 		};
 	};
-
-	memory@0 {
-		device_type = "memory";
-		reg = <0x0 0x4000000>;
-	};
-};
-
-&spi0 {
-	status = "okay";
-
-	m25p80@0 {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <10000000>;
-		m25p,chunked-io = <32>;
-
-		partition@0 {
-			label = "u-boot";
-			reg = <0x0 0x20000>;
-			read-only;
-		};
-
-		partition@20000 {
-			label = "firmware";
-			reg = <0x20000 0x7a0000>;
-		};
-
-		partition@7c0000 {
-			label = "config";
-			reg = <0x7c0000 0x10000>;
-			read-only;
-		};
-
-		rom: partition@7d0000 {
-			label = "rom";
-			reg = <0x7d0000 0x10000>;
-			read-only;
-		};
-
-		partition@7e0000 {
-			label = "romfile";
-			reg = <0x7e0000 0x10000>;
-			read-only;
-		};
-
-		radio: partition@7f0000 {
-			label = "radio";
-			reg = <0x7f0000 0x10000>;
-			read-only;
-		};
-	};
-};
-
-&ehci {
-	status = "disabled";
-};
-
-&ohci {
-	status = "disabled";
 };
 
 &wmac {
-	status = "okay";
-	mediatek,mtd-eeprom = <&radio 0x0>;
-	mtd-mac-address = <&rom 0xf100>;
 	mtd-mac-address-increment = <(-2)>;
 };
 
 &ethernet {
-	mtd-mac-address = <&rom 0xf100>;
 	mediatek,portmap = "wllll";
 };
 
@@ -161,9 +92,9 @@
 		mt76@0,0 {
 			reg = <0x0000 0 0 0 0>;
 			device_type = "pci";
-			mediatek,mtd-eeprom = <&radio 0x8000>;
+			mediatek,mtd-eeprom = <&factory 0x28000>;
 			ieee80211-freq-limit = <5000000 6000000>;
-			mtd-mac-address = <&rom 0xf100>;
+			mtd-mac-address = <&factory 0xf100>;
 			mtd-mac-address-increment = <(-1)>;
 		};
 	};