greybus: interface: remove device_id attribute

The interface device_id attribute is an implementation detail that does
not need to be exported to user space.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
1 file changed
tree: 4429d0fd04d3690e61ebd443bb6ab8ce22cd2622
  1. drivers/