wifi: mwifiex: Use helpers to check multicast addresses

Use is_multicast_ether_addr() and is_unicast_ether_addr()
to check the addresses.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20230814124212.302738-3-ruanjinjie@huawei.com

drivers/net/wireless/marvell/mwifiex/cfg80211.c

@@ -3359,7 +3359,7 @@ static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
 		}
 
 		if (!wowlan->patterns[i].pkt_offset) {
-			if (!(byte_seq[0] & 0x01) &&
+			if (is_unicast_ether_addr(byte_seq) &&
 			    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
 				mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
 				continue;

drivers/net/wireless/marvell/mwifiex/wmm.c

@@ -871,7 +871,7 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
 		}
 	} else {
 		memcpy(ra, skb->data, ETH_ALEN);
-		if (ra[0] & 0x01 || mwifiex_is_skb_mgmt_frame(skb))
+		if (is_multicast_ether_addr(ra) || mwifiex_is_skb_mgmt_frame(skb))
 			eth_broadcast_addr(ra);
 		ra_list = mwifiex_wmm_get_queue_raptr(priv, tid_down, ra);
 	}