doc-rst: some fixups at linux_tv/index

Fix some issues from the conversion and improve the documentation
a little bit, by adding two relevent keywords (SDR and DTMB).

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-06-30 17:12:20 -03:00
commit 72f5a661c6