i40e: make PF wait reset loop reliable

Use jiffies to limit max waiting time for PF reset to succeed.
Previous wait loop was unreliable. It required unreasonably long time
to wait for PF reset after reboot when NIC was about to enter
recovery mode

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>