ARM: dts: qcom: update USB nodes with new platform specific compatible

To match dwc3 documentation, add compatible for platform.

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211029103340.26828-2-david@ixit.cz