mt76: check aggregation sequence number for frames sent via drv_tx

ps-poll response frames can be sent via drv_tx. Store the frame sequence number
for such frames, in case a BlockAckReq needs to be sent

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2018-09-29 13:15:32 +02:00
commit 49f45fa13d