usb: gadget: dummy_hcd: rename dummy_udc_udpate_ep0() to dummy_udc_update_ep0()

This renames a function so "update" is spelled properly.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 4973778..a40dc6a 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -801,7 +801,7 @@
 	return 0;
 }
 
-static void dummy_udc_udpate_ep0(struct dummy *dum)
+static void dummy_udc_update_ep0(struct dummy *dum)
 {
 	if (dum->gadget.speed == USB_SPEED_SUPER)
 		dum->ep[0].ep.maxpacket = 9;
@@ -825,7 +825,7 @@
 					dum->driver->max_speed);
 		else
 			dum->gadget.speed = USB_SPEED_FULL;
-		dummy_udc_udpate_ep0(dum);
+		dummy_udc_update_ep0(dum);
 
 		if (dum->gadget.speed < dum->driver->max_speed)
 			dev_dbg(udc_dev(dum), "This device can perform faster"