MLBEDSW-10472: Consider subops when reordering CPU ops
If a NPU subop is connected to a CPU op, for example the CPU op produces the NPU subop's IFM, it's not allowed to move the CPU op down past the parent NPU op.
Signed-off-by: Johan Gunnarsson johan.gunnarsson@arm.com Change-Id: I90334bc96494fe2c1d5929cae5ee09d801ffdc75