iommu/amd: Request passthrough mode from IOMMU core

Get rid of the iommu_pass_through variable and request
passthrough mode via the new iommu core function.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2019-08-19 15:22:49 +02:00
commit cc7c8ad973