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>