dt-bindings: net: renesas,etheravb: Update example to match reality

- Add missing clock-names property,
  - Add example compatible values for PHY subnode.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/devicetree/bindings/net/renesas,etheravb.yaml

@@ -287,6 +287,7 @@ examples:
                               "ch13", "ch14", "ch15", "ch16", "ch17", "ch18",
                               "ch19", "ch20", "ch21", "ch22", "ch23", "ch24";
             clocks = <&cpg CPG_MOD 812>;
+            clock-names = "fck";
             iommus = <&ipmmu_ds0 16>;
             power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
             resets = <&cpg 812>;
@@ -298,6 +299,8 @@ examples:
             #size-cells = <0>;
 
             phy0: ethernet-phy@0 {
+                    compatible = "ethernet-phy-id0022.1622",
+                                 "ethernet-phy-ieee802.3-c22";
                     rxc-skew-ps = <1500>;
                     reg = <0>;
                     interrupt-parent = <&gpio2>;