auo39x39: rotate screen 180 degree on power on

On power on sequence, we should rotate screen to 180 degree.

Change-Id: I59b774d0bd2d99165438ff88f4c88907dcef2585
Tracked-On: https://jira01.devtools.intel.com/browse/AW-4188


Signed-off-by: Julien Masson <julienx.masson@intel.com>
Reviewed-on: https://android.intel.com/567406


Reviewed-by: jenkins_ndg <jenkins_ndg@intel.com>
Reviewed-by: Gong, Sophia <sophia.gong@intel.com>
Reviewed-by: Liu, WeiX W <weix.w.liu@intel.com>
Reviewed-by: Dubray, SimonX <simonx.dubray@intel.com>
Reviewed-by: Ledentec, AlexandreX <alexandrex.ledentec@intel.com>
Reviewed-by: Tasayco Loarte, VictorX <victorx.tasayco.loarte@intel.com>