iommu/amd: Convert to use per PCI segment irq_lookup_table

Then, remove the global irq_lookup_table.

Co-developed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220706113825.25582-15-vasant.hegde@amd.com


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