arm64: dma-mapping: Remove unused dma_map_ops

The iommu_coherent_ops variable is not needed and is never used.  Remove
it.

Change-Id: Ib026ec24520905cbcbb41b31b4bfa141cf87f37b
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
1 file changed