gpio: omap: Delete an error message

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-omap.c

@@ -1158,10 +1158,8 @@ static int omap_gpio_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	bank = devm_kzalloc(dev, sizeof(struct gpio_bank), GFP_KERNEL);
-	if (!bank) {
-		dev_err(dev, "Memory alloc failed\n");
+	if (!bank)
 		return -ENOMEM;
-	}
 
 	irqc = devm_kzalloc(dev, sizeof(*irqc), GFP_KERNEL);
 	if (!irqc)