qed: QL41xxx VF MSI-x table

qed: QL41xxx VF MSI-x table

Orabug: 26783820

The QL41xxx adapters' PCI allows a single configuration for the
MSI-x table size of all child VFs of a given PF.
The existing code wouldn't cause the management firmware to set
that value, meaning the VFs would retain the default MSI-x table
size.

Introduce a new scheme so that whenever a VF is enabled, driver
would set the number of MSI-x to be the maximum over the various
VFs' needs.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[ Upstream commit 88072fd4002a9976063d8f2babd3d030bd6ae0f9 ]
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>