iommu/amd: Fix wrong shift direction

The shift direction was wrong because the function takes a
page number and i is the address is the loop.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2011-10-11 17:41:32 +02:00
commit fcd0861db1