iwlegacy: use eth_broadcast_addr

Instead of copying from a constant array
(which is still needed for other purposes)
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlegacy/common.c

@@ -1586,9 +1586,9 @@ il_fill_probe_req(struct il_priv *il, struct ieee80211_mgmt *frame,
 		return 0;
 
 	frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
-	memcpy(frame->da, il_bcast_addr, ETH_ALEN);
+	eth_broadcast_addr(frame->da);
 	memcpy(frame->sa, ta, ETH_ALEN);
-	memcpy(frame->bssid, il_bcast_addr, ETH_ALEN);
+	eth_broadcast_addr(frame->bssid);
 	frame->seq_ctrl = 0;
 
 	len += 24;