Set "critical" trip temperatures for cpu, gpu, mem and pllx thermal
zones. These trips can trigger shut down or reset.

Similar to commit 40823f8e ("arm: tegra: set critical trips for
Tegra124").
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>