The lirc syscall documentation uses a very different and
simplified way than the rest of the media book. make it
closer. Still, there's just one page for all ioctls.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

Some files start with an upper letter. Also, they have big
names. rename them.

No functional changes.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

The name of the subsystem is "media", and not "linux_tv". Also,
as we plan to add other stuff there in the future, let's
rename also the media uAPI book to media_uapi, to make it
clearer.

No functional changes.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>