mac80211: Move up init of TXQs

mac80211: Move up init of TXQs

On init, ieee80211_if_add() dumps the interface. Since that now includes a
dump of the TXQ state, we need to initialise that before the dump happens.
So move up the TXQ initialisation to to before the call to
ieee80211_if_add().

Fixes: 52539ca89f36 ("cfg80211: Expose TXQ stats and parameters to userspace")
Reported-by: Niklas Cassel <[email protected]>
Signed-off-by: Toke Høiland-Jørgensen <[email protected]>
Tested-by: Niklas Cassel <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>