USB: serial: remove debug parameter from usb_serial_debug_data()

We should use dev_dbg() for usb_serial_debug_data() like all of the rest
of the usb-serial drivers use, so remove the debug parameter as it's not
needed.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index f524cd9..7e81ed0 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -228,8 +228,8 @@
 	memcpy(wport->write_urb->transfer_buffer + OMNINET_DATAOFFSET,
 								buf, count);
 
-	usb_serial_debug_data(debug, &port->dev, __func__, count,
-					wport->write_urb->transfer_buffer);
+	usb_serial_debug_data(&port->dev, __func__, count,
+			      wport->write_urb->transfer_buffer);
 
 	header->oh_seq 	= od->od_outseq++;
 	header->oh_len 	= count;