gpio: gpio-ucb1400.c: Cleaning up null pointer checks that could never happen

Removal of null pointer checks that could never happen

This was found using a static code analysis program called cppcheck
Signed-off-by: NRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-ucb1400.c

@@ -70,7 +70,7 @@ static int ucb1400_gpio_probe(struct platform_device *dev)
 	if (err)
 		goto err;
 
-	if (ucb && ucb->gpio_setup)
+	if (ucb->gpio_setup)
 		err = ucb->gpio_setup(&dev->dev, ucb->gc.ngpio);
 
 err: