iommu/amd: Make use of iova queue flushing

Rip out the implementation in the AMD IOMMU driver and use
the one in the common iova code instead.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2017-08-10 17:19:13 +02:00
commit 9003d61863