gpio: ep93xx: Fix typo s/hierarchial/hierarchical

Fix typo in comment.

Reviewed-by: Linus Walleij <[email protected]>
Acked-by: Alexander Sverdlin <[email protected]>
Signed-off-by: Nikita Shubin <[email protected]>
Signed-off-by: Bartosz Golaszewski <[email protected]>

Author: maquefel

drivers/gpio/gpio-ep93xx.c

@@ -388,7 +388,7 @@ static int ep93xx_gpio_add_bank(struct ep93xx_gpio_chip *egc,
 
 		/*
 		 * FIXME: convert this to use hierarchical IRQ support!
-		 * this requires fixing the root irqchip to be hierarchial.
+		 * this requires fixing the root irqchip to be hierarchical.
 		 */
 		girq->parent_handler = ep93xx_gpio_f_irq_handler;
 		girq->num_parents = 8;