Staging: go7007: saa7134 updates

- Added documentation including README files from the original go7007
  driver package.
- Added Video4Linux2 MPEG controls.
- Added Video4Linux2 audio ioctls, which pass thru to the i2c driver.
- Improved saa7134 interface, to pass thru controls and video settings.
- Fixed a bug in sony tuner, as reported by Bifferos on the Go7007 wiki.


Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/go7007/go7007-priv.h b/drivers/staging/go7007/go7007-priv.h
index 005542d..f61d983 100644
--- a/drivers/staging/go7007/go7007-priv.h
+++ b/drivers/staging/go7007/go7007-priv.h
@@ -104,6 +104,7 @@
 	int (*stream_start)(struct go7007 *go);
 	int (*stream_stop)(struct go7007 *go);
 	int (*send_firmware)(struct go7007 *go, u8 *data, int len);
+	int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg);
 };
 
 /* The video buffer size must be a multiple of PAGE_SIZE */