clientIF: Fix use of getConfDevices

getConfDevices was merged into buildConfDevices in
commit Ifd3a209967f97a55fe861c4446e8f93e1a1da08e

Change-Id: Iaf9776e1237f6799dfccd5ff3edf197c5bf32f5e
Signed-off-by: Yeela Kaplan <ykaplan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/21832
Reviewed-by: Michal Skrivanek <michal.skrivanek@redhat.com>
Reviewed-by: Martin Polednik <mpoledni@redhat.com>
Tested-by: Martin Polednik <mpoledni@redhat.com>
Reviewed-by: Federico Simoncelli <fsimonce@redhat.com>