Adds a new helper module for simple dvb budget cards without hardware
filtering capabilities (which just pass the complete transport stream via
DMA and let the dvb core sort everything else).  Will initially be used by
saa7134 + cx88 drivers.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>