imx6-coda: Prefer semi planar modes over fully planar ones
imx6-coda: Prefer semi planar modes over fully planar ones

imx6 components like the IPU and VPU tend to work better
with semi planar modes, so prefer those.

Signed-off-by: Carlos Rafael Giani <5ee505a1d5215056d41b30b09076aaaf4f65b3d4@mailbox.org>

Freescale/libimxvpuapi,Freescale/libimxvpuapi