Add the name of the bus and the driver to the hotplug event for
/sys/devices/*. With this addition, userspace knows what it can
expect from sysfs to show up, instead of waiting for a timeout
for devices without a bus.

  ACTION=add
  DEVPATH=/devices/pci0000:00/0000:00:1d.1/usb3/3-1
  SUBSYSTEM=usb
  SEQNUM=978
  PHYSDEVBUS=usb
  PHYSDEVDRIVER=usb
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>