dt-bindings: phy: renesas,usb2-phy: Mark resets as required for RZ/G3S

The reset lines are mandatory for the Renesas RZ/G3S platform and must be
explicitly defined in device tree.

Fixes: f3c8498 ("dt-bindings: phy: renesas,usb2-phy: Document RZ/G3S phy bindings")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20251023135810.1688415-2-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: claudiubeznea

Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml

@@ -118,6 +118,7 @@ allOf:
           contains:
             enum:
               - renesas,usb2-phy-r9a09g057
+              - renesas,usb2-phy-r9a08g045
               - renesas,rzg2l-usb2-phy
     then:
       properties: