WIFI urtwn possibly broken on 297561

[Anton Shterenlikht]

>
>Hi!
>
>this is because we don't have A-MPDU RX aging on by default. So, if
>there are holes in the sequence number space, FreeBSD's reordering
>logic doesn't flush frames up until it's received /all/ the traffic.
>
>I've just enabled it by default in -HEAD now. That should fix it.
>Otacilio, you should be able to fix it locally by adding options
>IEEE80211_AMPDU_AGE to your kernel config file and recompiling.
>
>Sorry!

Is this urtwn PR related to this:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205477

Thanks

Anton