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

These fields are initialized by bgpio_init() with exactly the same settings
so remove the redundant code.
Signed-off-by: NAxel Lin <axel.lin@ingics.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-moxart.c

@@ -57,10 +57,7 @@ static int moxart_gpio_probe(struct platform_device *pdev)
 	gc->label = "moxart-gpio";
 	gc->request = gpiochip_generic_request;
 	gc->free = gpiochip_generic_free;
-	gc->bgpio_data = gc->read_reg(gc->reg_set);
 	gc->base = 0;
-	gc->ngpio = 32;
-	gc->parent = dev;
 	gc->owner = THIS_MODULE;
 
 	ret = gpiochip_add_data(gc, NULL);