Merge branch 's390-next-updates'

Julian Wiedmann says:

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s390/net updates

please apply the following qeth updates for net-next.

Aside from some janitorial changes, this adds early setup for virtualized
HiperSockets devices - building upon the code that landed via -net earlier.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>