wpa_supplicant: Clear blacklist on connect

It has been noticed that the band steering/load balancing of some
multi-AP networks will lead to an ever-growing list of blacklisted
BSSIDs. This eventually leads to a connection drop when the connection
is pushed to a distant AP.

Fix this issue by clearing the blacklist upon successful connect.

Signed-off-by: Jason Abele <jason@aether.com>
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index f690b91..2ba9c38 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -731,6 +731,7 @@
 			ssid && ssid->id_str ? ssid->id_str : "");
 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 		wpas_clear_temp_disabled(wpa_s, ssid, 1);
+		wpa_blacklist_clear(wpa_s);
 		wpa_s->extra_blacklist_count = 0;
 		wpa_s->new_connection = 0;
 		wpa_drv_set_operstate(wpa_s, 1);