COMPMID-812 Add NHWC data format support for NEON depthwise convolution (optimized case).

Change-Id: Icdfd6c02ed526daf4f59a4b76c7bbc1bc48fde74
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125938
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
8 files changed