V4L/DVB (3363): Add support for Samsung tuner TCPN 2121P30A

- Add support for Samsung tuner TCPN 2121P30A, used in
  Hauppauge PVR-500 cards.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner
index 0bf3d5b..f6d0cf7 100644
--- a/Documentation/video4linux/CARDLIST.tuner
+++ b/Documentation/video4linux/CARDLIST.tuner
@@ -68,3 +68,4 @@
 tuner=67 - Philips TD1316 Hybrid Tuner
 tuner=68 - Philips TUV1236D ATSC/NTSC dual in
 tuner=69 - Tena TNF 5335 MF
+tuner=70 - Samsung TCPN 2121P30A