iommu/arm-smmu: Support Tegra234 SMMU

Allow the NVIDIA-specific ARM SMMU implementation to bind to the SMMU
instances found on Tegra234.

Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20220429082243.496000-4-thierry.reding@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>