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/whiteheat.c b/drivers/usb/serial/whiteheat.c
index d9456b4..64d3840 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -607,8 +607,7 @@
 		return;
 	}
 
-	usb_serial_debug_data(debug, &command_port->dev,
-				__func__, urb->actual_length, data);
+	usb_serial_debug_data(&command_port->dev, __func__, urb->actual_length, data);
 
 	if (data[0] == WHITEHEAT_CMD_COMPLETE) {
 		command_info->command_finished = WHITEHEAT_CMD_COMPLETE;