ath6kl: remove multiple assignments

Found by checkpatch:

drivers/net/wireless/ath/ath6kl/cfg80211.c:1295: CHECK: multiple assignments should be avoided
drivers/net/wireless/ath/ath6kl/cfg80211.c:3000: CHECK: multiple assignments should be avoided

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -1285,7 +1285,6 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
 {
 	struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
 	struct ath6kl_vif *vif;
-	u8 ath6kl_dbm;
 	int dbm = MBM_TO_DBM(mbm);
 
 	ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
@@ -1302,7 +1301,7 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
 	case NL80211_TX_POWER_AUTOMATIC:
 		return 0;
 	case NL80211_TX_POWER_LIMITED:
-		ar->tx_pwr = ath6kl_dbm = dbm;
+		ar->tx_pwr = dbm;
 		break;
 	default:
 		ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
@@ -1310,7 +1309,7 @@ static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
 		return -EOPNOTSUPP;
 	}
 
-	ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, ath6kl_dbm);
+	ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
 
 	return 0;
 }
@@ -3088,7 +3087,8 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
 	vif->wdev.netdev = ndev;
 	vif->wdev.iftype = type;
 	vif->fw_vif_idx = fw_vif_idx;
-	vif->nw_type = vif->next_mode = nw_type;
+	vif->nw_type = nw_type;
+	vif->next_mode = nw_type;
 	vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
 	vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;