iw: Add command to set airtime weight
iw: Add command to set airtime weight

This adds a new iw command to set the airtime weight for a station, support
for which was recently introduced into mac80211.

Signed-off-by: Toke Høiland-Jørgensen <c739cf9ea9032889618db8b95a03da66fcc9867e@toke.dk>
Signed-off-by: Johannes Berg <bff32994ff0f8d048f262a8388145a71b6071bfe@intel.com>

greearb/iw-ct,greearb/iw-ct