GPIO: gpiolib: trivial: Add missing carriage return

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpiolib.c

@@ -1652,7 +1652,7 @@ struct gpio_desc *__must_check __gpiod_get_index(struct device *dev,
 	 * a result. In that case, use platform lookup as a fallback.
 	 */
 	if (!desc || desc == ERR_PTR(-ENOENT)) {
-		dev_dbg(dev, "using lookup tables for GPIO lookup");
+		dev_dbg(dev, "using lookup tables for GPIO lookup\n");
 		desc = gpiod_find(dev, con_id, idx, &lookupflags);
 	}