wifi: mt76: mt7925: fix missing hdr_trans_tlv command for broadcast wtbl

Ensure that the hdr_trans_tlv command is included in the broadcast wtbl to
prevent the IPv6 and multicast packet from being dropped by the chip.

Cc: stable@vger.kernel.org
Fixes: cb1353e ("wifi: mt76: mt7925: integrate *mlo_sta_cmd and *sta_cmd")
Reported-by: Benjamin Xiao <fossben@pm.me>
Tested-by: Niklas Schnelle <niks@kernel.org>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://lore.kernel.org/lkml/EmWnO5b-acRH1TXbGnkx41eJw654vmCR-8_xMBaPMwexCnfkvKCdlU5u19CGbaapJ3KRu-l3B-tSUhf8CCQwL0odjo6Cd5YG5lvNeB-vfdg=@pm.me/
Link: https://patch.msgid.link/20250509010421.403022-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -1924,14 +1924,14 @@ mt7925_mcu_sta_cmd(struct mt76_phy *phy,
 			mt7925_mcu_sta_mld_tlv(skb, info->vif, info->link_sta->sta);
 			mt7925_mcu_sta_eht_mld_tlv(skb, info->vif, info->link_sta->sta);
 		}
-
-		mt7925_mcu_sta_hdr_trans_tlv(skb, info->vif, info->link_sta);
 	}
 
 	if (!info->enable) {
 		mt7925_mcu_sta_remove_tlv(skb);
 		mt76_connac_mcu_add_tlv(skb, STA_REC_MLD_OFF,
 					sizeof(struct tlv));
+	} else {
+		mt7925_mcu_sta_hdr_trans_tlv(skb, info->vif, info->link_sta);
 	}
 
 	return mt76_mcu_skb_send_msg(dev, skb, info->cmd, true);