ath9k: setup rxfilter when offchannel
ath9k: setup rxfilter when offchannel

Setup rxfiler correctly for offchannel ctx.

This fix problem we didn't configure rxfilter, next
didn't receive probe requests and next failed
p2p_find. This was seen when ath9k loaded with
use_chanctx=1

Signed-off-by: Janusz Dziedzic <a4201e08a607951e17dcd5a575c0fe6bceb34e87@tieto.com>
Signed-off-by: Kalle Valo <7081a7d99b8c74c0698a728df19e3915a995d7e1@codeaurora.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs