msm: camera: add ion support to native driver.

This change adds ion support to native (non V4L2)
camera driver. It also adds ion structures to the msm_frame
structure.

Adapted to HTC EVO 3D by Johnnyslt

Change-Id: I9be720e7d9924074706c93eec52178cb6f130af6
Signed-off-by: Ankit Premrajka <ankitp@codeaurora.org>
Signed-off-by: Darescu Ionut <johnny@esi.ro>