M2: *mk: build as part of CM tree

Change-Id: I5136862c4f4d653d5c0fc49d451558a91236c899
media: Compensate for alternate display variant

 * Set correct path if CAF display driver is in use

Change-Id: I15e172029ab9bc8df0258a4e22e365a16c8fc263
M2: libc2dcolorconvert: new kgsl struct member

Change-Id: I005e71f8d5f4de9bc6715b0c17db9db0101f69ef
Remove dependency on kernel headers

Change-Id: Id3be2558895eaea77e0477c21689945b3a07d9a9