GPU: update genlock to jb-chocolote

For use with new display and media repos

Change-Id: Ibf0eb4f9dbdfa37081af24b9e1fd3accc3ffce4e
GPU: Correctly update Adreno/KGSL drivers to jb-chocolote.

Change-Id: If9c8e2ff366acc3e6c08e6342f67d32c37a43984