mt76: set RX_FLAG_DUP_VALIDATED for A-MPDU reordered packets

Required for fast-rx and allows mac80211 to skip an unnnecessary check.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mediatek/mt76/agg-rx.c

@@ -169,6 +169,7 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames)
 	if (!tid)
 		return;
 
+	status->flag |= RX_FLAG_DUP_VALIDATED;
 	spin_lock_bh(&tid->lock);
 
 	if (tid->stopped)