[media] tm6000: fix macros and comments coding style issue in tm6000.h

This is a patch to the tm6000.h file that fixed up a macros and
comment error found by the checkpatch.pl tools.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>