iommu/amd: Specify PCI segment ID when getting pci device

Upcoming AMD systems can have multiple PCI segments. Hence pass PCI
segment ID to pci_get_domain_bus_and_slot() instead of '0'.

Co-developed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-32-vasant.hegde@amd.com


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