iommu/amd: Add PCI segment support for ivrs_[ioapic/hpet/acpihid] commands

[ Upstream commit bbe3a106

 ]

By default, PCI segment is zero and can be omitted. To support system
with non-zero PCI segment ID, modify the parsing functions to allow
PCI segment ID.

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/20220706113825.25582-33-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Stable-dep-of: 1198d231

 ("iommu/amd: Fix ill-formed ivrs_ioapic, ivrs_hpet and ivrs_acpihid options")
Signed-off-by: Sasha Levin <sashal@kernel.org>