dt-bindings: phy: Convert ti,da830-usb-phy to DT schema

Convert the TI DA830 USB PHY binding to DT schema format. Add "clocks"
and "clock-names" which are already in use. As they are always present,
make them required as well.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: David Lechner <david@lechnology.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250627220107.214162-1-robh@kernel.org


Signed-off-by: Vinod Koul <vkoul@kernel.org>