add a --device option

The "--device" option can be used to set btbridge device name.
The device kernel name has been changed to "/dev/ipmi-bt-host".
Rework the usage message also a bit.

Partially resolves openbmc/openbmc#694

Change-Id: I9d3d7c20a99fe256207096727b8e89b27311a621
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Yi Li <adamliyi@msn.com>
1 file changed