ipa-client-install: Configure sudo to use SSSD as data source
    
    Makes ipa-client-install configure SSSD as the data provider
    for the sudo service by default. This behaviour can be disabled
    by using --no-sudo flag.
    
    https://fedorahosted.org/freeipa/ticket/3358
    
    Reviewed-By: Jakub Hrozek <jhrozek@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>