File _service of Package ovmf

<services>
  <service name="tar_scm" mode="disabled">
    <param name="filename">ovmf</param>
    <param name="versionformat">2017+git%at.%h</param>
    <param name="revision">UDK2017</param>
    <param name="url">https://github.com/tianocore/edk2.git</param>
    <param name="scm">git</param>
  </service>
  <service name="recompress" mode="disabled">
    <param name="compression">xz</param>
    <param name="file">*.tar</param>
  </service>
  <service name="set_version" mode="disabled"/>
</services>