usb : gadget : fsl: fix the fault issue on rmmod
usb : gadget : fsl: fix the fault issue on rmmod

completion in udc_controller->done should be assign with proper
value before complete called. The complete called in fsl_udc_release
which intern called from usb_del_gadget_udc, so moving assignment
before calling usb_del_gadget_udc

Signed-off-by: Suresh Gupta <122d9c51b4d70699bbfe692a347472cd445faab3@freescale.com>
Signed-off-by: Felipe Balbi <94dddeeef08b001e003cce128ddc162a4e2c6cd2@ti.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs