Merge branch 'netdevsim-implement-devlink-dev_info-op'

Jiri Pirko says:

====================
netdevsim: implement devlink dev_info op

Initial implementation of devlink dev_info op - just driver name is
filled up and sent to user. Bundled with selftest.
====================

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