iommu: arm-smmu: Merge for msm-kona kernel upgrade

Merge all iommu/smmu changes from msm-4.14 to msm-kona
as of:
'commit 72ac9228 ("iommu: arm-smmu: dump additional
smmu registers in fault handler")'.

Change-Id: I14b697f63d786032b31b490f2102393094762ff3
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>