This enables driver to rx another decapped a-msdu
frames. It should possibly help with throughputs
in some cases and reduce (or eliminate) number of
messages like this:

  ath10k: error processing msdus -524
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>