Juan A. Suárez authored Apr 20, 2018 and Dylan Baker committed Apr 27, 2018

Commit fa328456 added VP9 config support, but this needs a newer
libva version, 1.7.0 or above.

Fixes: fa328456 ("st/va: add VP9 config to enable profile2")
CC: 18.1 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
(cherry picked from commit 413c5ca3)