This sample driver was originally under Documentation/ and was moved
to samples, but build support was never adjusted for the new location.
Signed-off-by: NAlex Williamson <alex.williamson@redhat.com>
Reviewed-by: NEric Auger <eric.auger@redhat.com>
Tested-by: NEric Auger <eric.auger@redhat.com>
Reviewed-by: NKirti Wankhede <kwankhede@nvidia.com>