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/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index a2f7230..33d7e18 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -392,8 +392,7 @@
 
 	/* Copy data to buffer */
 	memcpy(priv->buf + priv->filled, buf, count);
-	usb_serial_debug_data(debug, &port->dev, __func__, count,
-						priv->buf + priv->filled);
+	usb_serial_debug_data(&port->dev, __func__, count, priv->buf + priv->filled);
 	priv->filled = priv->filled + count;
 
 	/* only send complete block. TWIN, KAAN SIM and adapter K