UBUNTU: SAUCE: fix build issues with dwc3 driver

fixes 388e5c51 usb: dwc3: remove dwc3 dependency on host AND gadget.

Fixes redefinition errors:
/media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.c:416:5: error: redefinition of 'dwc3_event_buffers_setup'
  416 | int dwc3_event_buffers_setup(struct dwc3 *dwc)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.c:45:
/media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.h:1457:12: note: previous definition of 'dwc3_event_buffers_setup' was here
 1457 | static int dwc3_event_buffers_setup(struct dwc3 *dwc)
      |            ^~~~~~~~~~~~~~~~~~~~~~~~
/media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.c:844:5: error: redefinition of 'dwc3_core_init'
  844 | int dwc3_core_init(struct dwc3 *dwc)
      |     ^~~~~~~~~~~~~~
In file included from /media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.c:45:
/media/qct-wendover/linux-qcomm/drivers/usb/dwc3/core.h:1455:12: note: previous definition of 'dwc3_core_init' was here
 1455 | static int dwc3_core_init(struct dwc3 *dwc)

Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>