dt-bindings: net: qca,ar803x: add missing unevaluatedProperties for each regulator

Each regulator node, which references common regulator.yaml schema,
should disallow additional or unevaluated properties.  Otherwise
mistakes in properties will go unnoticed.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230725123711.149230-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/devicetree/bindings/net/qca,ar803x.yaml

@@ -75,6 +75,7 @@ properties:
     description:
       Initial data for the VDDIO regulator. Set this to 1.5V or 1.8V.
     $ref: /schemas/regulator/regulator.yaml
+    unevaluatedProperties: false
 
   vddh-regulator:
     type: object
@@ -82,6 +83,7 @@ properties:
       Dummy subnode to model the external connection of the PHY VDDH
       regulator to VDDIO.
     $ref: /schemas/regulator/regulator.yaml
+    unevaluatedProperties: false
 
 unevaluatedProperties: false