Graphic/Display: Fix the bug that CABC can not work in Lexington

Graphic/Display: Fix the bug that CABC can not work in Lexington

BZ: 32384

Correct CABC control register setting when init dirver, and add the CABC
control setting in reset function which enable CABC function during
first boot.

Change-Id: I9e5300de5d5e6a8b62f468a2f52e917802dd546a
Signed-off-by: ljia5 <lin.a.jia@intel.com>
Reviewed-on: http://android.intel.com:8080/46026
Reviewed-by: Ai, Ke <ke.ai@intel.com>
Reviewed-by: Tong, BoX <box.tong@intel.com>
Tested-by: Tong, BoX <box.tong@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>