Merge branch 's390-next'

Karsten Graul says:

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s390/net: updates 2021-11-18

Please apply the following patches to netdev's net-next tree.

Heiko provided fixes for kernel doc comments and solved some
other compiler warnings.
Julians qeth patch simplifies the rx queue handling in the code.
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Signed-off-by: David S. Miller <davem@davemloft.net>