Merge branch 'netdevsim-Mostly-cleanup-in-sdev-bpf-iface-area'

Jiri Pirko says:

====================
netdevsim: Mostly cleanup in sdev/bpf iface area

This patches does mainly internal netdevsim code shuffle. Nothing
serious, just small changes to help readability and preparations for
future work.
====================

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