dt-bindings: net: ipq4019-mdio: add IPQ9574 compatible

Add a compatible property specific to IPQ9574. This should be used
along with the IPQ4019 compatible. This second compatible serves the
same purpose as the ipq{5,6,8} compatibles. This is to indicate that
the clocks properties are required.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240507024758.2810514-1-mr.nuke.me@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml

@@ -20,6 +20,7 @@ properties:
           - enum:
               - qcom,ipq6018-mdio
               - qcom,ipq8074-mdio
+              - qcom,ipq9574-mdio
           - const: qcom,ipq4019-mdio
 
   "#address-cells":
@@ -76,6 +77,7 @@ allOf:
               - qcom,ipq5018-mdio
               - qcom,ipq6018-mdio
               - qcom,ipq8074-mdio
+              - qcom,ipq9574-mdio
     then:
       required:
         - clocks