V4L/DVB (11282): saa7134: add RDS support.

The Terratec Cinergy 600 TV MK3 supports the RDS decoder saa6588.
Add support to saa7134 for such devices.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 1139668..a2dd326 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -333,6 +333,7 @@
 	unsigned char		tuner_addr;
 	unsigned char		radio_addr;
 	unsigned char		empress_addr;
+	unsigned char		rds_addr;
 
 	unsigned int            tda9887_conf;
 	unsigned int            tuner_config;