Added arm motor serial numbers
Added arm motor serial numbers

RIVeR-Lab/walrus,OAkyildiz/walrus,OAkyildiz/walrus,OAkyildiz/walrus,OAkyildiz/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,OAkyildiz/walrus,OAkyildiz/walrus,OAkyildiz/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus