mac80211: minstrel_ht: initialize rates selection

Initialize {mp,mi}->{max_tp_rate,max_tp_rate2,max_prob_rate} in
minstrel_ht's rate_init and rate_update.

Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/rc80211_minstrel_ht.c

@@ -907,6 +907,9 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
 	if (!n_supported)
 		goto use_legacy;
 
+	/* init {mi,mi->groups[*]}->{max_tp_rate,max_tp_rate2,max_prob_rate} */
+	minstrel_ht_update_stats(mp, mi);
+
 	return;
 
 use_legacy: