graphics_GLMark2: Determine gl/gles from USE flag

Either use --enable-gl or --enable-glesv2, depending on whether the opengles
USE flag is set or not.

BUG=none
TEST=none

Change-Id: Iad8276813e82cce9122ce1ae2f66e71020a308e9
Signed-off-by: Andrew Chew <achew@nvidia.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/57069
Reviewed-by: Ricky Liang <jcliang@chromium.org>
2 files changed