kernel: fix uvc debug patch

scripts/kernel/uvc-debug.patch

@@ -1,7 +1,6 @@
 --- a/drivers/usb/gadget/function/uvc_video.c
 +++ b/drivers/usb/gadget/function/uvc_video.c
-@@
- int uvcg_video_enable(struct uvc_video *video)
+@@ -763,12 +763,44 @@
  {
  	int ret;
  
@@ -22,7 +21,7 @@
  			  "Video enable failed, device is uninitialized.\n");
  		return -ENODEV;
  	}
-+
+ 
 +	if (!video->kworker || !video->async_wq) {
 +		uvcg_err(&video->uvc->func,
 +			"Video enable failed, missing worker(s) kworker=%p async_wq=%p\n",
@@ -42,6 +41,7 @@
 +		video->req_size, video->max_payload_size,
 +		video->uvc_num_requests, video->reqs_per_frame,
 +		video->queue.use_sg, video->queue.flags);
- 
++
  	/*
  	 * Safe to access request related fields without req_lock because
+ 	 * this is the only thread currently active, and no other