usb: dwc3-generic: implement Qualcomm wrapper

usb: dwc3-generic: implement Qualcomm wrapper

The Qualcomm specific dwc3 wrapper isn't hugely complicated, implemented
the missing initialisation for host and gadget mode.

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20240320-b4-qcom-usb-v4-1-41be480172e1@linaro.org
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>