File _service of Package u-boot

<services>
  <service name="obs_scm">
    <param name="versionformat">d1-wip.%cd</param>
    <param name="url">https://github.com/smaeul/u-boot.git</param>
    <param name="scm">git</param>
    <param name="revision">d1-wip</param>
  </service>
  <service name="tar" mode="buildtime"/>
  <service name="recompress" mode="buildtime">
    <param name="compression">bz2</param>
    <param name="file">*.tar</param>
  </service>
  <service name="set_version" mode="buildtime">
  </service>
</services>