unbreak port mapping detection

SVN-Revision: 33536

target/linux/ramips/base-files/etc/uci-defaults/network

@@ -18,6 +18,7 @@ ramips_setup_rt3x5x_vlans()
 	fi
 	local wanports=""
 	local lanports=""
+	swconfig dev rt305x set reset 1
 	for port in 5 4 3 2 1 0; do
 		if [ `swconfig dev rt305x port $port get disable` = "1" ]; then
 			continue