Is neither an option? haha.
In al seriousness though. I would rather have Asiata.
Two reasons -
Minnesota will use him at the goal line and will use them when they are up (which is often because their defense is soo good)
Davis just came to Green Bay so he doesn't know the offense and Rodgers has a tonne of options. He barely used Lacy who is a top end RB, when he has the option to throw to Nelson or Cobb or Adams or someone vs give it to Davis, they will likely throw.