Create a config file (<any_name>.config) in /var/lib/connman, with the followinf content:
[service_<any_name>] Type = wifi Name = <SSID> EAP = peap Phase2 = MSCHAPV2 Identity = <user_name> Passphrase = <user_password>
where
<any_name> is a unique identifier among the services in the config file,<SSID> is the SSID of the network you want to connect to,<user_name> and <user_password> are the credentials for the user to access the network.