[media] staging: as102: Remove non-linux headers inclusion

Remove inclusion of Windows and other not linux related headers.

[snjw23@gmail.com: edited changelog, folded long line in Makefile]
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Piotr Chmura <chmooreck@poczta.onet.pl>
Signed-off-by: Sylwester Nawrocki <snjw23@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>