wifi: plfxlc: Use eth_zero_addr() to assign zero address

Using eth_zero_addr() to assign zero address instead of memset().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xu Qiang <xuqiang36@huawei.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220701082935.110924-1-xuqiang36@huawei.com

drivers/net/wireless/purelifi/plfxlc/usb.c

@@ -562,7 +562,7 @@ static void sta_queue_cleanup_timer_callb(struct timer_list *t)
 		if (tx->station[sidx].flag & STATION_HEARTBEAT_FLAG) {
 			tx->station[sidx].flag ^= STATION_HEARTBEAT_FLAG;
 		} else {
-			memset(tx->station[sidx].mac, 0, ETH_ALEN);
+			eth_zero_addr(tx->station[sidx].mac);
 			tx->station[sidx].flag = 0;
 		}
 	}