Add the DT node for ARM SMMU on Tegra186.
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>