wifi: mt76: mt7925: update mt7925_mcu_set_timing for MLO

Set the BSS index from the per-linked BSS for the firmware to identify
which link the command is operating on.
Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Co-developed-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/dde970c748586d03fbecbccb10cb9903284719aa.1720248331.git.sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7925/mcu.c

@@ -2606,11 +2606,11 @@ mt7925_mcu_bss_ifs_tlv(struct sk_buff *skb,
 int mt7925_mcu_set_timing(struct mt792x_phy *phy,
 			  struct ieee80211_bss_conf *link_conf)
 {
-	struct mt792x_vif *mvif = (struct mt792x_vif *)link_conf->vif->drv_priv;
+	struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
 	struct mt792x_dev *dev = phy->dev;
 	struct sk_buff *skb;
 
-	skb = __mt7925_mcu_alloc_bss_req(&dev->mt76, &mvif->bss_conf.mt76,
+	skb = __mt7925_mcu_alloc_bss_req(&dev->mt76, &mconf->mt76,
 					 MT7925_BSS_UPDATE_MAX_SIZE);
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);