arm64: tegra: Add node for CBB 2.0 on Tegra234

Tegra234 uses the Control Backbone (CBB) version 2.0. Add the nodes
that enable error handling from the various CBB 2.0 fabrics found on
Tegra234.

Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>