[media] SMI PCIe IR driver for DVBSky cards

Ported from the manufacturer's source tree, available from
http://dvbsky.net/download/linux/media_build-bst-150211.tar.gz



This is the second patch after a public review.

[mchehab@osg.samsung.com: fix inconsistent identing warning]
Signed-off-by: Dirk Nehring <dnehring@gmx.net>
Reviewd-by: Nibble Max <nibble.max@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>