commit 84c0d178 upstream.

Make sure we're using the new macro, so our
resume signaling will always pass certification.
Signed-off-by: Felipe Balbi <balbi@ti.com>
[ luis: backported to 3.16:
  - replaced 'hub_wq' by 'khubd' in comment ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>