CHERRY-PICK: Add Xrandr support

To select exynos5-HDMI display enable the
option "HDMI" in exynos.conf, by default it
is disabled.
Also currently only Clone mode of 720p
resolution is supported,for daisy and snow the
same has to be modified in omap_driver.h to
1366x768, this shall be taken care in the
next release.
Also the HWCursor needs to be disabled for there
is compatibility issue between DRM and V4L displays(planes).

Change-Id: Ia087b4278ed3ef5894792f0ccdecaf7d1b4544cb
Original-Change-Id: Ib3636c408251a1f8ecabf1648c17ab8d79279eb0
Original-Signed-off-by: Shirish S <s.shirish@samsung.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/27132
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Chinyue Chen <chinyue@chromium.org>
8 files changed