mt76: connac: use skb_put_data instead of open coding

use skb_put_data instead of open coding in
mt76_connac_mcu_update_arp_filter.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -2185,11 +2185,8 @@ int mt76_connac_mcu_update_arp_filter(struct mt76_dev *dev,
 		return -ENOMEM;
 
 	skb_put_data(skb, &req_hdr, sizeof(req_hdr));
-	for (i = 0; i < len; i++) {
-		u8 *addr = (u8 *)skb_put(skb, sizeof(__be32));
-
-		memcpy(addr, &info->arp_addr_list[i], sizeof(__be32));
-	}
+	for (i = 0; i < len; i++)
+		skb_put_data(skb, &info->arp_addr_list[i], sizeof(__be32));
 
 	return mt76_mcu_skb_send_msg(dev, skb, MCU_UNI_CMD(OFFLOAD), true);
 }