treewide: typo 'interrrupt' word corrections.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c
index a06e2c2..ff4d40d 100644
--- a/drivers/usb/gadget/langwell_udc.c
+++ b/drivers/usb/gadget/langwell_udc.c
@@ -2969,7 +2969,7 @@
 		handle_port_change(dev);
 	}
 
-	/* suspend interrrupt */
+	/* suspend interrupt */
 	if (irq_sts & STS_SLI) {
 		dev_vdbg(&dev->pdev->dev, "suspend interrupt\n");
 		handle_bus_suspend(dev);