dt-bindings: i3c: silvaco,i3c-master: fix missing schema restriction

Each device schema must end with unevaluatedProperties: false, if it
references other common schema.  Otherwise it would allow any properties
to be listed.

Fixes: b8b0446f ("dt-bindings: i3c: Describe Silvaco master binding")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230609141107.66128-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Rob Herring <robh@kernel.org>