mm-video: Use actual kernel headers for all builds

This reverts commit ba9e6c47df3b8408880b0591ebc0641a0c3d9eae.

Change-Id: Ic8e2febd74c77e119cd95ffd9a4cd9bdb239f7e4
Merge "mm-video: Use actual kernel headers for all builds" into jb-mr1

Change-Id: I94e864031e4606e87f386e7adf0edac211adbd96