dt-bindings: phy-j721e-wiz: add j721s2 compatible string

Add ti,j721s2-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/20221123032413.1193961-2-mranostay@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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

@@ -15,6 +15,7 @@ properties:
     enum:
       - ti,j721e-wiz-16g
       - ti,j721e-wiz-10g
+      - ti,j721s2-wiz-10g
       - ti,am64-wiz-10g
       - ti,j7200-wiz-10g
       - ti,j784s4-wiz-10g