idpf: enable XSk features and ndo_xsk_wakeup

Now that AF_XDP functionality is fully implemented, advertise XSk XDP
feature and add .ndo_xsk_wakeup() callback to be able to use it with
this driver.

Co-developed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Tested-by: Ramu R <ramu.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>