File _constraints of Package OBS-WorkerOnly-pxe

<constraints>
  <hardware>
    <disk>
      <size unit="G">20</size>
    </disk>
  </hardware>
  <overwrite>
    <conditions>
      <arch>aarch64</arch>
    </conditions>
    <hardware>
      <cpu>
      <flag>asimdrdm</flag>
      </cpu>
    </hardware>
  </overwrite>
</constraints>