usbutils - add USBDEBUG for usb_bulk_transfer

usbutils.c

@@ -2253,6 +2253,8 @@ usb_bulk_transfer(struct libusb_device_handle *dev_handle,
 	if (endpoint == LIBUSB_ENDPOINT_OUT)
 		memcpy(buf, data, length);
 
+	USBDEBUG("USB debug: @usb_bulk_transfer(%s (nodev=%s),endpoint=%d,data=%p,length=%d,timeout=%u,mode=%d,cmd=%s,seq=%d)", cgpu->drv->name, bool_str(cgpu->usbinfo.nodev), (int)endpoint, data, length, timeout, mode, usb_cmdname(cmd), seq);
+
 	STATS_TIMEVAL(&tv_start);
 	cg_rlock(&cgusb_fd_lock);
 	err = libusb_bulk_transfer(dev_handle, endpoint, data, length,