usb: gadget: max3420: Add a missing '\n' in a log message

Message logged by 'dev_xxx()' or 'pr_xxx()' should end with a '\n'.

Fixes: 48ba02b2 ("usb: gadget: add udc driver for max3420")
Signed-off-by: NChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: NFelipe Balbi <balbi@kernel.org>

drivers/usb/gadget/udc/max3420_udc.c

@@ -901,7 +901,7 @@ static int max3420_thread(void *dev_id)
 	}
 
 	set_current_state(TASK_RUNNING);
-	dev_info(udc->dev, "SPI thread exiting");
+	dev_info(udc->dev, "SPI thread exiting\n");
 	return 0;
 }