Merge changes I2b5a64c2,I6396106a,Ie9d0eed3,Ie95674dc,Ie1679644 into msm-3.0

* changes:
  media: msm_vidc: fix compilation issue.
  media: v4l2: add video controls in v4l2 framework.
  media: msm_vidc: add v4l2 controls for video encoder
  media: msm_vidc: add set property support in video driver
  media: msm_vidc: Add hardware interface for video core.