Newer AMT versions stopped supporting the old, soap-based scheme and use
wsman-based stuff instead.  Here is WIP stuff for it.

Trying to use AMT with my intel NUC doesn't play out very well though.
The ME displays some on-screen indication on the display that SoL access
is active, appearently in some way which is incompatible with the i915
kms driver.  At least the nuc hangs when the driver loads ...