waiting time is increased

because some modem need more time to connect.

wifimgr.py

@@ -86,7 +86,7 @@ def do_connect(ssid, password):
         return None
     print('Trying to connect to %s...' % ssid)
     wlan_sta.connect(ssid, password)
-    for retry in range(100):
+    for retry in range(200):
         connected = wlan_sta.isconnected()
         if connected:
             break