iommu/amd: Make use of the generic IOVA allocator

Remove the old address allocation code and make use of the
generic IOVA allocator that is also used by other dma-ops
implementations.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2016-07-05 14:23:01 +02:00
commit 256e4621c2