MLK-9897-1 usb: chipidea: otg: use shared queue to handle hnp polling

MLK-9897-1 usb: chipidea: otg: use shared queue to handle hnp polling

This patch moves out hnp polling from usb otg work queue to shared queue, as
hnp polling call to usb_control_msg() which sends a control message and waits
for it complete or timeout, so it's not proper to handle it in usb otg work
queue which handles work with usb irq disabled.

Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
(cherry picked from commit a147c8808ad198a7b9694b7dd517166505b76c50)