kirkwood: add missing board_config_flush(), remove dead code

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 47745

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

@@ -3,30 +3,11 @@
 # Copyright (C) 2012-2015 OpenWrt.org
 #
 
-[ -e /etc/config/network ] && exit 0
-
-touch /etc/config/network
-
-set_lan_dhcp() {
-	local ifname=$1
-	uci batch <<EOF
-set network.lan='interface'
-set network.lan.ifname='$ifname'
-set network.lan.proto='dhcp'
-set network.lan6='interface'
-set network.lan6.ifname='@lan'
-set network.lan6.proto='dhcpv6'
-set network.lan6.reqprefix='no'
-EOF
-}
-
 . /lib/functions/uci-defaults-new.sh
 . /lib/kirkwood.sh
 
 board_config_update
 
-ucidef_set_interface_loopback
-
 board=$(kirkwood_board_name)
 
 case "$board" in
@@ -59,6 +40,6 @@ case "$board" in
 	;;
 esac
 
-uci commit network
+board_config_flush
 
 exit 0