MLBEDSW-8927 Add Ethos-U55/U65 support for MIRROR_PAD in Regor
- Updated the regor Ethos-U55/U65 backend to handle OFM reverse in H and W axes.
- Added architectural constraints for negative striding in order to force linear format for OFM reversals for Ethos-U55/U65.
- Minor print-formatting change to high_level_command_stream.py.
Change-Id: I30b97b8c7fadf5306ca960bd4b45087513270864 Signed-off-by: Jacob Bohlin jacob.bohlin@arm.com