[PATCH] ath10k: add TxBF support

[Kalle Valo]

Michal Kazior <michal.kazior at tieto.com> writes:

> If firmware advertises support for TxBF then the
> driver has to instruct the firmware accordingly
> during runtime. Without this patch connecting to
> an AP with beamformer support would yield abysmal
> Rx performance.
>
> This has been tested with wmi-tlv and qca6174
> while acting as a STA beamformee only.
>
> Signed-off-by: Michal Kazior <michal.kazior at tieto.com>

There was a trivial conflict in ath10k_bss_disassoc(), please check my
conflict resolution in the pending branch.

-- 
Kalle Valo