Merge branch 'devlink-virtual-port'

Parav Pandit says:

====================
devlink: Introduce devlink port flavour virtual

Currently PCI PF and VF devlink devices register their ports as
physical port in non-representors mode.

Introduce a new port flavour as virtual so that virtual devices can
register 'virtual' flavour to make it more clear to users.

An example of one PCI PF and 2 PCI virtual functions, each having
one devlink port.

$ devlink port show
pci/0000:06:00.0/1: type eth netdev ens2f0 flavour physical port 0
pci/0000:06:00.2/1: type eth netdev ens2f2 flavour virtual port 0
pci/0000:06:00.3/1: type eth netdev ens2f3 flavour virtual port 0

Patch summary:
Patch-1 Introduces new devlink port flavour 'virtual'.
Patch-2 Uses new flavour to register PCI VF virtual ports.
====================

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