mt76: mt7663s: flush runtime-pm queue after waking up the device

Add missing mt76_connac_pm_dequeue_skbs routine waking up mt7663s device
from runtime-pm sleep state.
Signed-off-by: NLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: NFelix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -2096,6 +2096,7 @@ void mt7615_pm_wake_work(struct work_struct *work)
 		int i;
 
 		if (mt76_is_sdio(mdev)) {
+			mt76_connac_pm_dequeue_skbs(mphy, &dev->pm);
 			mt76_worker_schedule(&mdev->sdio.txrx_worker);
 		} else {
 			mt76_for_each_q_rx(mdev, i)