MLBEDSW-10199: Normalize quantization before checking OFM Rescale fusing
On Ethos-U55 and Ethos-U65, only Rescales with unit scale can be fused to Minimum operators. However, the output quantization shift was not normalized to zero before checking if the scale was unit or not.
Change-Id: If8e04034045853e0c7b715547b2a68609c11cbe1 Signed-off-by: Rickard Bolin rickard.bolin@arm.com