To parallel the sysfs behaviour, merge the new build-time option
for DMA domain strictness into the default domain type choice.
Suggested-by: Joerg Roedel<joro@xxxxxxxxxx>
Reviewed-by: Lu Baolu<baolu.lu@xxxxxxxxxxxxxxx>
Reviewed-by: Jean-Philippe Brucker<jean-philippe@xxxxxxxxxx>
Signed-off-by: Robin Murphy<robin.murphy@xxxxxxx>