wifi: mac80211: mlme: set sta.mlo correctly

Due to some changes and rebasing between different patches
this fell through the cracks; we need to set sta.mlo if the
connection is using MLO.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/mlme.c

@@ -6402,6 +6402,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 			err = -ENOMEM;
 			goto out_err;
 		}
+
+		new_sta->sta.mlo = link_id >= 0;
 	}
 
 	/*