enable generic interface (/dev/ngX) for unknown command sets

[Javier González]

On 13.07.2022 07:49, Christoph Hellwig wrote:
>Hi all,
>
>this is a version of the patch from Joel rebased on a bunch of cleanups
>from me that I think make the layering a lot cleaner.  Let me know what
>everyone things.

Series look good. Thanks for doing the rebase Christoph.

Reviewed-by: Javier González <javier.gonz at samsung.com>