Merge branch 'mana-EQ-sharing'

Haiyang Zhang says:

====================
net: mana: Add support for EQ sharing

The existing code uses (1 + #vPorts * #Queues) MSIXs, which may exceed
the device limit.

Support EQ sharing, so that multiple vPorts can share the same set of
MSIXs.
====================

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