gpio: bcm281xx: Fix nested interrupt handler issue

The GPIO interrupt handler does not need to be marked as nested.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index c0751a8..ff5c98e 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -478,7 +478,6 @@
 		return ret;
 	irq_set_lockdep_class(irq, &gpio_lock_class);
 	irq_set_chip_and_handler(irq, &bcm_gpio_irq_chip, handle_simple_irq);
-	irq_set_nested_thread(irq, 1);
 #ifdef CONFIG_ARM
 	set_irq_flags(irq, IRQF_VALID);
 #else