This moves the ath9k driver to use the mac80211 TXQ scheduling and
airtime accounting APIs, removing the corresponding state tracking
inside the driver.
Signed-off-by: NToke Høiland-Jørgensen <toke@toke.dk>
[rmanohar@codeaurora.org: fixed checkpatch error and warnings]
Signed-off-by: NRajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>