File _servicedata of Package libxtrxdsp

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/xtrx-sdr/libxtrxdsp.git</param>
              <param name="changesrevision">84c6f4c8bdb9e26e7c9a62bd96f02e35d61aaf45</param></service></servicedata>