COMPMID-1052 - Rework validate method in CLGEMM

Change-Id: Iece5bd6478b5fac5164abff30c1e63e8a77291a9
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/130374
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
8 files changed