gpio: mpc8xxx: change the gpio interrupt flags.

Delete the interrupt IRQF_NO_THREAD flags in order to gpio interrupts
can be threaded to allow high-priority processes to preempt.
Signed-off-by: Song Hui <hui.song_1@nxp.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

drivers/gpio/gpio-mpc8xxx.c

@@ -417,7 +417,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(&pdev->dev, mpc8xxx_gc->irqn,
 			       mpc8xxx_gpio_irq_cascade,
-			       IRQF_NO_THREAD | IRQF_SHARED, "gpio-cascade",
+			       IRQF_SHARED, "gpio-cascade",
 			       mpc8xxx_gc);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: failed to devm_request_irq(%d), ret = %d\n",