gpio: ts4800: Drop redundant code to set already initialized gpio_chip fields

Both chip->base and chip->label are correctly set by bgpio_init().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Julien Grossholtz <julien.grossholtz@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-ts4800.c

@@ -54,8 +54,6 @@ static int ts4800_gpio_probe(struct platform_device *pdev)
 		return retval;
 	}
 
-	chip->base = -1;
-	chip->label = dev_name(&pdev->dev);
 	chip->ngpio = ngpios;
 
 	platform_set_drvdata(pdev, chip);