COMPMID-1125: Add support for FP16 in CLDepthwiseConvolution

Change-Id: I4838f5a8e4c33ed646cd05e0bb682fca635a29a3
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/130469
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
7 files changed