Leaking out the up-pipe? Hmm, sounds like the engine side not the turbo... I would pull the up-pipe loose on the passenger side at the manifold and run it, see if any oil comes out the manifold.
Also, if there is no excessive play in the turbo I doubt it's leaking... Not impossible but doubtful.
Also, if there is no excessive play in the turbo I doubt it's leaking... Not impossible but doubtful.