Convert the NVIDIA Legacy interrupt controller binding to schema
format. It's a straight-forward conversion of the typical interrupt
controller.
All the possible compatibles were not documented, so add the ones in
use.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250505144759.1291261-1-robh@kernel.org
Signed-off-by: Thierry Reding <treding@nvidia.com>