MLBEDSW-11056: Fix performance regression
This fixes a performance regression caused by 1defc46a.
This changes so the primary op's new OFM (fused op's OFM) only has 1 producer instead of 2. The activation is still connected, but we don't count is as a producer since it's now the primary op that is writing to the OFM.
Signed-off-by: Johan Gunnarsson johan.gunnarsson@arm.com Change-Id: I5c4b4051ef709e4bb718e4dde745640300ee158e