xhci_dump_trb
xhci_dump_trb(&td->td_trb[x]);
xhci_dump_trb(&td->td_trb[x]);
xhci_dump_trb(&td->td_trb[x]);
xhci_dump_trb(&td_last->td_trb[td_last->ntrb]);
xhci_dump_trb(&pepext->trb[i]);