COMPMID-431 Port CLDepthConvert to use 8-bit and 16-bit fixed point

Change-Id: Iedea9e985427e6242f34a5362615f79c0526d5bd
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79786
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
6 files changed