COMPMID-879: Investigate CL mismatches in Convolution S16

Changes and simplifies the validation to divide the scale in integer format instead of double.

Change-Id: Ib9156e9515e4e542391eeda11548f3d15613a0af
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/119256
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
3 files changed