Adding usb-ctrl from intel-bmc into phosphor-misc

[郁雷]

On Wed, May 27, 2020 at 4:41 PM Wang, Kuiying <kuiying.wang at intel.com> wrote:
>
> Hi Lei,
>
> What’s your final purpose for this?
>

The USB ECM device is an ethernet between BMC and Host, so that they
could have a real local ethernet between them.

On this internal ethernet, it is possible to do internal
communication, e.g. host calls Redfish API to BMC without any
outside-network.

-- 
BRs,
Lei YU