iommu/s390: support map/unmap for additional table regions

Map and unmap ops use the shared dma_walk_cpu_trans routine, update
this using the origin_type of the dma_table to determine how many
table levels must be walked.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20250411202433.181683-5-mjrosato@linux.ibm.com


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