dt-bindings: net: airoha,en8811h: deprecate "airoha,pnswap-rx" and "airoha,pnswap-tx"

Reference the common PHY properties, and update the example to use them.

Signed-off-by: Vladimir Oltean <[e-mail]>
Reviewed-by: Rob Herring (Arm) <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

Documentation/devicetree/bindings/net/airoha,en8811h.yaml

···
 
 allOf:
   - $ref: ethernet-phy.yaml#
+  - $ref: /schemas/phy/phy-common-props.yaml#
 
 properties:
   compatible:
···
     description:
       Reverse rx polarity of the SERDES. This is the receiving
       side of the lines from the MAC towards the EN881H.
+      This property is deprecated, for details please refer to
+      Documentation/devicetree/bindings/phy/phy-common-props.yaml
+    deprecated: true
 
   airoha,pnswap-tx:
     type: boolean
     description:
       Reverse tx polarity of SERDES. This is the transmitting
       side of the lines from EN8811H towards the MAC.
+      This property is deprecated, for details please refer to
+      Documentation/devicetree/bindings/phy/phy-common-props.yaml
+    deprecated: true
 
 required:
   - reg
···
 
 examples:
   - |
+    #include <dt-bindings/phy/phy.h>
+
     mdio {
         #address-cells = <1>;
         #size-cells = <0>;
···
         ethernet-phy@1 {
             compatible = "ethernet-phy-id03a2.a411";
             reg = <1>;
-            airoha,pnswap-rx;
+            rx-polarity = <PHY_POL_INVERT>;
         };
     };