dt-bindings: tegra: Document Jetson Xavier NX (and devkit)

Add the compatible strings for the Jetson Xavier NX and the
corresponding developer kit.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2020-07-14 11:37:30 +02:00
commit 64c16f849a