MLBEDSW-10948 Fix output diff for TOSA binary elementwise

If the same Rescale output tensor was used as both inputs to a binary
elementwise, the quantization parameters would only be reflected in one
of the IFM tensor connections after fusing the rescale.

Change-Id: I84168abe038012e6210f8fb9d4a020d2a0c16633
Signed-off-by: Jacob Bohlin <jacob.bohlin@arm.com>