station: use network_update_known_frequencies

Updates each network with its new, most current, set of BSS's
for the different types of scans: dbus/autoconnect, hidden, and
OWE.

src/network.c

@@ -1112,9 +1112,6 @@ bool network_bss_add(struct network *network, struct scan_bss *bss)
 									NULL))
 		return false;
 
-	if (network->info)
-		known_network_add_frequency(network->info, bss->frequency);
-
 	/* Done if BSS is not HS20 or we already have network_info set */
 	if (!bss->hs20_capable)
 		return true;

src/station.c

@@ -350,6 +350,8 @@ static bool process_network(const void *key, void *data, void *user_data)
 		l_queue_insert(station->networks_sorted, network,
 				network_rank_compare, NULL);
 
+		network_update_known_frequencies(network);
+
 		return false;
 	}
 
@@ -799,6 +801,8 @@ free:
 		scan_bss_free(bss);
 	}
 
+	network_update_known_frequencies(network);
+
 	l_queue_destroy(bss_list, NULL);
 
 done:
@@ -3684,6 +3688,8 @@ next:
 		return true;
 	}
 
+	network_update_known_frequencies(network_psk ?: network_open);
+
 	error = network_connect_new_hidden_network(network_psk ?: network_open,
 							msg);