[media] cx23885: Avoid stopping the risc engine during buffer timeout

1. Removed the verbose 'dump channel state to console', very noisy in
   weak signal conditions.
2. No need for the video buffer timeout to stop the risc engine here.
   Clearer and easier to maintain if start_video_dma() is the single
   place that this is done.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx23885/cx23885-video.c

@@ -1510,10 +1510,6 @@ static void cx23885_vid_timeout(unsigned long data)
 	struct cx23885_buffer *buf;
 	unsigned long flags;
 
-	cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
-
-	cx_clear(VID_A_DMA_CTL, 0x11);
-
 	spin_lock_irqsave(&dev->slock, flags);
 	while (!list_empty(&q->active)) {
 		buf = list_entry(q->active.next,