GFX-DISPLAY: Add support for CMI 720p video mode MIPI display.

GFX-DISPLAY: Add support for CMI 720p video mode MIPI display.

    BZ: 13458

    video mode support for CMI panel 720p used on CTP
    Added new files. h8c7_vid.c h8c7_vid.h

Change-Id: I6f1eb1b1f2f3c963fb6c564de842551826af8da2
Signed-off-by: Prabu Renganathan <prabu.renganathan@intel.com>
Reviewed-on: http://android.intel.com:8080/29772
Reviewed-by: Mai, Leonard <leonard.mai@intel.com>
Reviewed-by: Pandit, Seema <seema.pandit@intel.com>
Reviewed-by: Xu, Randy <randy.xu@intel.com>
Tested-by: Xu, Randy <randy.xu@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>