dt-bindings: phy: marvell,armada-3700-utmi-host-phy: Fix incorrect compatible in example

Fix the example using the incorrect compatible string.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220422192054.2591093-1-robh@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/marvell,armada-3700-utmi-phy.yaml

@@ -45,7 +45,7 @@ additionalProperties: false
 examples:
   - |
     usb2_utmi_host_phy: phy@5f000 {
-      compatible = "marvell,armada-3700-utmi-host-phy";
+      compatible = "marvell,a3700-utmi-host-phy";
       reg = <0x5f000 0x800>;
       marvell,usb-misc-reg = <&usb2_syscon>;
       #phy-cells = <0>;