dwc2_hcd_qh_create
qh = dwc2_hcd_qh_create(hsotg, dwc2_urb, M_ZERO | M_NOWAIT);
qh = dwc2_hcd_qh_create(hsotg, dwc2_urb, mem_flags);
extern struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg,