dt-bindings: tegra: Document Jetson Orin NX

The Jetson Orin NX is the latest iteration in the NX family of Jetson
products. Document the compatible strings used for these devices.

Acked-by: Rob Herring <[e-mail]>
Signed-off-by: Thierry Reding <[e-mail]>

Documentation/devicetree/bindings/arm/tegra.yaml

···
           - const: nvidia,p3737-0000+p3701-0000
           - const: nvidia,p3701-0000
           - const: nvidia,tegra234
+      - description: Jetson Orin NX
+        items:
+          - const: nvidia,p3767-0000
+          - const: nvidia,tegra234
 
 additionalProperties: true