ipq806x: fix LAN and WAN port assignments on TP-Link AD7200

LAN port 4 was swapped with the WAN port and the remaining three LAN
ports were numbered in reverse order from their labels on the case.

Fixes: 1a775a4 ("ipq806x: add support for TP-Link Talon AD7200")
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>

target/linux/ipq806x/base-files/etc/board.d/02_network

@@ -57,7 +57,6 @@ nec,wg2600hp3)
 		"2:lan" "3:lan" "4:lan" "5:lan" "0@eth1" "1:wan" "6@eth0"
 	;;
 netgear,r7800 |\
-tplink,ad7200 |\
 tplink,c2600)
 	ucidef_add_switch "switch0" \
 		"1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "6@eth1" "5:wan" "0@eth0"
@@ -72,6 +71,10 @@ qcom,ipq8064-db149)
 	ucidef_add_switch "switch0" \
 		"1:lan" "2:lan" "3:lan" "4:lan" "6u@eth1" "5:wan" "0u@eth0"
 	;;
+tplink,ad7200)
+	ucidef_add_switch "switch0" \
+		"2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "6@eth1" "1:wan" "0@eth0"
+	;;
 ubnt,unifi-ac-hd)
 	ucidef_set_interface_lan "eth0 eth1"
 	;;