usb: gadget: bdc: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220521111145.81697-92-Julia.Lawall@inria.frSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/bdc/bdc_cmd.c

@@ -307,7 +307,7 @@ int bdc_ep_clear_stall(struct bdc *bdc, int epnum)
 	 * his will reset the seq number for non EP0.
 	 */
 	if (epnum != 1) {
-		/* if the endpoint it not stallled */
+		/* if the endpoint it not stalled */
 		if (!(ep->flags & BDC_EP_STALL)) {
 			ret = bdc_ep_set_stall(bdc, epnum);
 			if (ret)