ifconfig is effectively deprecated for quite some time now. Let's
replace the remaining occurrences for our target setup by the
corresponding ip commands now.
Note that this does not touch ar71xx, as it will be dropped anyway,
and changing it would only make backports harder.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Leave as enabled by default for mediatek. Also remove obsolete
settings from when packet steering was moved from netifd to a
simplified hotplug script.
Signed-off-by: Alan Swanson <reiver@improbability.net>