COMPMID-1509: (Nightly) CLDeconvolution fails for QASYMM8

Increasing the absolute tolerance as values seem to differ by at most 2.

Change-Id: I7f70f432760b64ee6c96a5fdeb34865c0f8f4796
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/144154
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
1 file changed