iommu: Remove iommu_callback_data

The iommu_callback_data is not used anywhere, remove it to make
the code more concise.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu 2019-03-20 09:40:24 +08:00 • committed by Joerg Roedel
commit 8cec63e529