this allows uci-defaults scripts to override wifi settings git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28733 3c298f89-4303-0410-b956-a3cf2f4a3e73
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28495 3c298f89-4303-0410-b956-a3cf2f4a3e73