iommu: arm-smmu: modify iommu_errata_tlbi trace events

Modify iommu_errata_tlbi trace events naming to iommu_tlbi. This will allow
events to be used for non errata contexts.

Change-Id: Id0301ec0dee83c8ac3f4501156909b86917890ce
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
[lmark@codeaurora.org: merging only part of change that doesn’t apply to
 errata]
Signed-off-by: Liam Mark <lmark@codeaurora.org>