ath10k: implement updating shared htt txq state

[Dan Carpenter]

On Mon, Apr 11, 2016 at 10:44:01AM +0300, Dan Carpenter wrote:
> On Mon, Apr 11, 2016 at 09:33:43AM +0200, Michal Kazior wrote:
> > > There are several new warnings.  See also:
> > 
> > This is a false positive.
> > 
> > The `txq->sta->drv_priv` is a dynamic array which is basically equal
> > to `(void *)txq->sta + offsetof(struct ieee80211_sta, drv_priv)`.
> 
> Ah, yeah.  You're right.  The other warning should be fixed though.

Actually they're all false positives too.  Sorry about that.  Sort of
ugly and avoidable though...

regards,
dan carpenter