mt76: mt7921: add delay config for sched scan

Add a delay parameter for firmware to support delay scheduled scan.
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c

@@ -1588,8 +1588,10 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
 		get_random_mask_addr(addr, sreq->mac_addr,
 				     sreq->mac_addr_mask);
 	}
-	if (is_mt7921(phy->dev))
+	if (is_mt7921(phy->dev)) {
 		req->mt7921.bss_idx = mvif->idx;
+		req->mt7921.delay = cpu_to_le32(sreq->delay);
+	}
 
 	req->ssids_num = sreq->n_ssids;
 	for (i = 0; i < req->ssids_num; i++) {

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

@@ -818,7 +818,9 @@ struct mt76_connac_sched_scan_req {
 		} mt7663;
 		struct {
 			u8 bss_idx;
-			u8 pad2[19];
+			u8 pad1[3];
+			__le32 delay;
+			u8 pad2[12];
 			u8 random_mac[ETH_ALEN];
 			u8 pad3[38];
 		} mt7921;