V4L/DVB (5977): cx8800: Add register debug functions to radio device too

Add the advanced debug functions to the radio videodev template.  One could
already use them from the video and vbi devices.
Signed-off-by: NTrent Piepho <xyzzy@speakeasy.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx88/cx88-video.c

@@ -1716,6 +1716,10 @@ static struct video_device cx8800_radio_template =
 	.vidioc_s_ctrl        = vidioc_s_ctrl,
 	.vidioc_g_frequency   = vidioc_g_frequency,
 	.vidioc_s_frequency   = vidioc_s_frequency,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+	.vidioc_g_register    = vidioc_g_register,
+	.vidioc_s_register    = vidioc_s_register,
+#endif
 };
 
 /* ----------------------------------------------------------- */