Send RX frame directly to mac80211

RX frame was handled through the workqueue what is unnecessary.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Remove debug_mask from debugfs

debug_mask is available in /sys/module/wcn36xx/parameters/debug_mask
No need to add it to the debugfs.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>