This uses SED syntax which is unsupported most of the time, and we copy the
sample configuration so we do not really care
Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/packages@39825 3c298f89-4303-0410-b956-a3cf2f4a3e73