COMPMID-417: Allow loading of custom OpenCL library

Change-Id: Ic26266f164ec26f9f2923c0ffe366fea37b970ae
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80090
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
2 files changed