[media] dev-raw-vbi.rst: adjust table columns for LaTeX output

Add the needed tags to fix LaTeX output of the tables there.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-08-18 07:06:18 -03:00
commit 6138e30321