spi: dt-bindings: nvidia,tegra210-quad-peripheral-props: correct additional properties

Re-usable schemas should use additionalProperties:true, so the schema
using it will check for evaluated properties.

Fixes: e23917822d3c ("spi: dt-bindings: split peripheral prods")
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml

···
     minimum: 0
     maximum: 255
 
-unevaluatedProperties: true
-
+additionalProperties: true