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: b8b0446 ("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>

Author: krzk

Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml

@@ -44,7 +44,7 @@ required:
   - clock-names
   - clocks
 
-additionalProperties: true
+unevaluatedProperties: false
 
 examples:
   - |