dt-bindings: watchdog: intel,keembay: reference common watchdog schema

Reference common watchdog.yaml schema to allow "timeout-sec" property
and enforce proper device node name.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231105184154.43700-2-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/intel,keembay-wdt.yaml

@@ -9,6 +9,9 @@ title: Intel Keem Bay SoC non-secure Watchdog Timer
 maintainers:
   - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
 
+allOf:
+  - $ref: watchdog.yaml#
+
 properties:
   compatible:
     enum:
@@ -37,7 +40,7 @@ required:
   - interrupt-names
   - clocks
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |