dt-bindings: thermal: nvidia,tegra186-bpmp: reference thermal-sensor schema

Device is a thermal sensor and it requires '#thermal-sensor-cells', so
reference the thermal-sensor.yaml to simplify it and bring the
common definition of '#thermal-sensor-cells' property.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240705-dt-bindings-thermal-allof-v1-7-554061b52fbc@linaro.orgSigned-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Documentation/devicetree/bindings/thermal/nvidia,tegra186-bpmp-thermal.yaml

@@ -20,11 +20,7 @@ description: |
   node. See ../firmware/nvidia,tegra186-bpmp.yaml for details of the
   BPMP binding.
 
-  This node represents a thermal sensor. See
-
-    Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
-
-  for details of the core thermal binding.
+$ref: thermal-sensor.yaml#
 
 properties:
   compatible:
@@ -33,10 +29,6 @@ properties:
       - nvidia,tegra194-bpmp-thermal
 
   '#thermal-sensor-cells':
-    $ref: /schemas/types.yaml#/definitions/uint32
-    description: Number of cells needed in the phandle specifier to
-      identify a given sensor. Must be 1 and the single cell specifies
-      the sensor index.
     const: 1
 
-additionalProperties: false
+unevaluatedProperties: false