iommu/virtio: Add definitions for VIRTIO_IOMMU_F_BYPASS_CONFIG

Add definitions for the VIRTIO_IOMMU_F_BYPASS_CONFIG, which supersedes
VIRTIO_IOMMU_F_BYPASS.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20211201173323.1045819-2-jean-philippe@linaro.org


Signed-off-by: Joerg Roedel <jroedel@suse.de>