i40iw: Utilize iwdev->reset during PCI function reset

Utilize iwdev->reset on a PCI function reset notification
instead of passing in reset flag for resource clean-up.

Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>