rampis: revert fix tplink_mr200v1 wan interface

This reverts commit 7aa3dfdbda829c04475cffbd6708f1ff96e4849b.
As the kernel is now fixed with https://github.com/openwrt/openwrt/commit/ecd609f509f29ed1f75db5c7a623f359c64efb72

Signed-off-by: Marius Durbaca <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/18380
Signed-off-by: Robert Marko <[email protected]>

target/linux/ramips/mt7620/base-files/etc/board.d/02_network

@@ -247,7 +247,7 @@ ramips_setup_interfaces()
 	tplink,archer-mr200)
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "6t@eth0"
-		ucidef_set_interface_wan "eth1"
+		ucidef_set_interface_wan "usb0"
 		;;
 	tplink,ec220-g5-v2)
 		ucidef_add_switch "switch0"