media: em28xx-cardlist.rst: update to reflect last changes

There were some new board additions. Update the cardlist
accordingly.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-09-02 22:07:20 -04:00
commit 17cb584351