Merge branch 'gianfar-mq-polling'

Claudiu Manoil says:

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net: gianfar: Drop GFAR_MQ_POLLING support

Drop long time obsolete "per NAPI multi-queue" support in gianfar,
and related (and undocumented) device tree properties.
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Signed-off-by: David S. Miller <davem@davemloft.net>