mm-video:vdec: Video decoder bring-up on 8x55 target

- Set TILE color format for index zero on video port format
- Add ION memory support for video decoder.

Change-Id: Ifef1a15ec7089702c7644fd0e7c1463f81035fc7
mm-core: initial video bring-up on 8x55 target

This change is needed to pick qcom video h/w libraries
for 8x55 target.

Change-Id: Ie6af7da5c30e27c796b2c6827d30682227b825d9