V4L/DVB (5314): Added support for tda827x tuners with preamlifiers

This patch contains
- new tuning code for the tda827xa silicon tuner.
- controls the preamplifier of some boards with this tuner.
- support for the Philips Tiger S hybrid DVB-T reference design.
- reworked the saa7134-dvb modulue to get rid of most of the
  small board specific functions.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134
index a12246a..f18533f 100644
--- a/Documentation/video4linux/CARDLIST.saa7134
+++ b/Documentation/video4linux/CARDLIST.saa7134
@@ -107,3 +107,4 @@
 106 -> Encore ENLTV                             [1131:2342,1131:2341,3016:2344]
 107 -> Encore ENLTV-FM                          [1131:230f]
 108 -> Terratec Cinergy HT PCI                  [153b:1175]
+109 -> Philips Tiger - S Reference design