Try to use fast-associate on ENABLE_NETWORK

This makes ENABLE_NETWORK behave similarily to SELECT_NETWORK by
allowing a scan to be skipped if recent scan results are available.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

wpa_supplicant/wpa_supplicant.c

@@ -1803,7 +1803,8 @@ void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 			wpa_supplicant_cancel_sched_scan(wpa_s);
 		}
 
-		wpa_supplicant_req_scan(wpa_s, 0, 0);
+		if (wpa_supplicant_fast_associate(wpa_s) != 1)
+			wpa_supplicant_req_scan(wpa_s, 0, 0);
 	}
 }