staging: unisys: fix trailing comment in vbusdeviceinfo.h

Fixes checkpatch trailing */ comment in vbusdeviceinfo.h

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>