dt-bindings: phy-j721e-wiz: add j784s4 compatible string

Add ti,j784s4-wiz-10g compatible string to binding documentation.
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221015201123.195477-2-mranostay@ti.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml

@@ -17,6 +17,7 @@ properties:
       - ti,j721e-wiz-10g
       - ti,am64-wiz-10g
       - ti,j7200-wiz-10g
+      - ti,j784s4-wiz-10g
 
   power-domains:
     maxItems: 1