msm-fb: display: ion framework support

Add support for the ION memory manager
to the framebuffer driver

Adapted to HTC Evo 3D by Johnnyslt

Change-Id: If012dcdbbc71eb0f7d4d429ad4789b3276d34a58
Signed-off-by: Nagamalleswararao Ganji <nganji@codeaurora.org>
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>
Signed-off-by: Darescu Ionut <johnny@esi.ro>