This processes and pushes fw stats to the debug
module (if enabled).

Changing the generic ath10k_wmi_requests_stats()
call to use more stat bits has no effect on older
firmware binaries.
Signed-off-by: NMichal Kazior <michal.kazior@tieto.com>
Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>