vduse: add virtio_fs to allowed dev id

A VDUSE device that implements virtiofs device works fine just by
adding the device id to the whitelist.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20250121103346.1030165-1-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>