ar71xx: fix netgear wndr3700 v1/v2, wndr3800/wndr3800ch switch port mapping

Signed-off-by: Qian Zheng <sotux82@gmail.com>

target/linux/ar71xx/base-files/etc/board.d/02_network

@@ -418,10 +418,13 @@ ar71xx_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"0@eth0" "2:lan" "3:wan"
 		;;
-	wndr3700)
+	wndr3700|\
+	wndr3700v2|\
+	wndr3800|\
+	wndr3800ch)
 		ucidef_set_interfaces_lan_wan "eth0" "eth1"
 		ucidef_add_switch "switch0" \
-			"0:lan" "1:lan" "2:lan" "3:lan" "5@eth0"
+			"0:lan:4" "1:lan:3" "2:lan:2" "3:lan:1" "5@eth0"
 
 		ucidef_add_switch_attr "switch0" "blinkrate" 2
 		ucidef_add_switch_port_attr "switch0" 1 led 6