gpio: bcm-kona: Add missing newline to dev_err format string

Add a missing newline to the format string of the "Couldn't get IRQ
for bank..." error message.

Fixes: 757651e ("gpio: bcm281xx: Add GPIO driver")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250206-kona-gpio-fixes-v2-3-409135eab780@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: refractionware

drivers/gpio/gpio-bcm-kona.c

@@ -659,7 +659,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
 		bank->irq = platform_get_irq(pdev, i);
 		bank->kona_gpio = kona_gpio;
 		if (bank->irq < 0) {
-			dev_err(dev, "Couldn't get IRQ for bank %d", i);
+			dev_err(dev, "Couldn't get IRQ for bank %d\n", i);
 			ret = -ENOENT;
 			goto err_irq_domain;
 		}