File _servicedata of Package jeos-firstboot

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/openSUSE/jeos-firstboot.git</param>
              <param name="changesrevision">f3ae15f25ffbfb9144de9d0099ef35e5c67891c4</param></service></servicedata>