msm: vidc: Add the support for MPEG-2 extension and user data

Update msm vidc header to match the new qcom/media branch

Change-Id: I444982ba7fb77f1ff3b71f4f09a4c436ff966859
Merge "msm: vidc: Add the support for MPEG-2 extension and user data" into cm-10.1
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro