gpio: davinci: Fix condition for irqchip registration

Since commit d29e741c ("gpio: davinci: drop platform data support"),
irqchip is no longer being registered on platforms what don't use
unbanked gpios. Fix this.
Reported-by: Sabeeh Khan <sabeeh-khan@ti.com>
Fixes: d29e741c ("gpio: davinci: drop platform data support")
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20241002071901.2752757-1-vigneshr@ti.comSigned-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpio-davinci.c

@@ -472,7 +472,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
 		return PTR_ERR(clk);
 	}
 
-	if (chips->gpio_unbanked) {
+	if (!chips->gpio_unbanked) {
 		irq = devm_irq_alloc_descs(dev, -1, 0, ngpio, 0);
 		if (irq < 0) {
 			dev_err(dev, "Couldn't allocate IRQ numbers\n");