arm64: dts: msm8996: Use dwc3-qcom glue driver for USB

Move from dwc3-of-simple to dwc3-qcom glue driver to
support peripheral mode which requires qscratch wrapper
programming on VBUS event.

Fixes: a4333c3a ("usb: dwc3: Add Qualcomm DWC3 glue driver")
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Tested-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>