exynos: Added support for building libdrm for exynos chipsets.

Added empty folder for adding future exynos-specific tests in
/test/exynos

BUG=None
TEST=Tested by configuring DRM tests.

Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Change-Id: I73745455977b30d52ff721d69919e648c9c41971
Reviewed-on: https://gerrit.chromium.org/gerrit/22140
Reviewed-by: Anush Elangovan <anush@chromium.org>
Commit-Ready: Anush Elangovan <anush@chromium.org>
4 files changed