arm64: tegra: Add 35°C trip point for Jetson Orin NX/Nano

It turns out that these devices can get quite hot to the touch with the
standard cooling configuration, so add another trip point at 35°C along
with a cooling map to help keep the system reasonably cool at very low
system load.

Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>