[PATCH] BTTV support for Adlink RTV24 capture card

The bttv module currently lacks support for the Adlink RTV24 capture card.
The following patch adds support for the Adlink RTV24 video capture card to
the bttv module.

Cc: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>