[media] doc-rst: make CEC look more like other parts of the book

Better organize the contents of the CEC part, moving the
introduction to chapter 1, placing all ioctls at chapter 2
and numerating all chapters and items.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-09 11:20:46 -03:00
commit da98a79ba7
3 changed files with 57 additions and 55 deletions