dt-bindings: Add binding docs for V3D.

This was missed in the upstreaming process.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Eric Anholt 2016-03-04 12:32:06 -08:00
commit 4653f22e9a