doc-rst: dmabuf: re-add the missing captions

The conversion from DocBook removed them. Re-add.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-04 16:31:20 -03:00
commit 8f764eb97c