V4L/DVB (3546): Fix Compilation after moving bttv code

- Missing a Makefile for bt8xx
- rds.h were at wrong directory, since it is a global header for an internal
  interface
- tda7432 and tda9875 were dependent from bttv.h
- bttv.h were holding i2c addresses

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tda7432.c b/drivers/media/video/tda7432.c
index fc3d5824..600dacb 100644
--- a/drivers/media/video/tda7432.c
+++ b/drivers/media/video/tda7432.c
@@ -48,9 +48,9 @@
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 
-#include "bttv.h"
 #include <media/audiochip.h>
 #include <media/v4l2-common.h>
+#include <media/i2c-addr.h>
 
 #ifndef VIDEO_AUDIO_BALANCE
 # define VIDEO_AUDIO_BALANCE 32