V4L/DVB (4306): Support non interlaced capture by default for saa713x

This patch just sets the option noninterlaced to 1 by default since
it has no known disadvantages. It is still possibe to get the old
behaviour by setting noninterlaced=0.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>