dt-bindings: watchdog: fsl-imx7ulp-wdt: simplify with unevaluatedProperties

Allow generic watchdog properties by using unevaluatedProperties: false.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230415095112.51257-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

Author: krzk

Documentation/devicetree/bindings/watchdog/fsl-imx7ulp-wdt.yaml

@@ -30,15 +30,13 @@ properties:
   clocks:
     maxItems: 1
 
-  timeout-sec: true
-
 required:
   - compatible
   - interrupts
   - reg
   - clocks
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |