Merge branch 'sfc-udp-rss'

Edward Cree says:

====================
sfc: enable 4-tuple UDP RSS hashing

EF10 based NICs have configurable RSS hash fields, and can be made to take the
ports into the hash on UDP (they already do so for TCP).  This patch series
enables this, in order to improve spreading of UDP traffic.
====================

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