Merge branch 's390-next'

Julian Wiedmann says:

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s390/qeth: updates 2021-07-20

please apply the following patch series for qeth to netdev's net-next tree.

This removes the deprecated support for OSN-mode devices, and does some
follow-on cleanups.
====================

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