extcon: gpio: Fix typo in comment

This patch fixes the typo in comment of extcon-gpio.c driver.
- 'interrput' -> 'interrupt'

Signed-off-by: Moritz Fischer <[e-mail]>
Signed-off-by: Chanwoo Choi <[e-mail]>

drivers/extcon/extcon-gpio.c

···
 	INIT_DELAYED_WORK(&data->work, gpio_extcon_work);
 
 	/*
-	 * Request the interrput of gpio to detect whether external connector
+	 * Request the interrupt of gpio to detect whether external connector
 	 * is attached or detached.
 	 */
 	ret = devm_request_any_context_irq(&pdev->dev, data->irq,