[oe] Amend recipes which do not contain a (new) target machine in COMPATIBLE_MACHINE

[Hauser, Wolfgang (external)]

>Can you not just arrange for your layer to add your own machine to the
>recipe's COMPATIBLE_MACHINE definition?
>
>p.

Sure, but then I have to copy the whole files used by the recipe into my
layer, that cuts me off from the maintenance of the release.