* add clock framework support (platform device with CCF needs special care)
* break out board-specific VBUS GPIO to work with multiplatform
* DT bindings
* move driver into drivers/usb/gadget/
* add clock framework support (platform device with CCF needs special care)
* break out board-specific VBUS GPIO to work with multiplatform
* DT bindings
* move driver into drivers/usb/gadget/