COMPMID-761: Add CL/NEON EqualizeHistogram benchmark tests

Change-Id: I81a6fe93ce364e5e5530b54f9e81fd4d25804096
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/127664
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
3 files changed