arm64: dts: qcom: msm8996: add clock-names to DWC3 USB node

The clock-names is a required property of DWC3 USB node.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220504131923.214367-12-krzysztof.kozlowski@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>