s390/pci: use unique UIDs for domain enumeration

Use UIDs as domain numbers if the UID checking rules apply (in this
case the FW guarantees uniqueness of these values).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
3 files changed