V4L/DVB (10957a): cx231xx: Fix compilation breakage

Only cx231xx-video needs linux/version.h, due to KERNEL_VERSION macro,
that is used by V4L2 API.

This patch moves the KERNEL_VERSION to its proper place and starts with
0,0,1.

There are still much more to be fixed on later patches

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>