i40e: Patch to enable Ethtool/netdev feature flag for NTUPLE control

This enables option '-k/-K' in ethtool for NTUPLE control.
NTUPLE control requires a reset, to take effect. When the feature is
turned off, the SW list of stored FD SB filters gets cleaned up.

Change-ID: I9d564b67a10d4afa11de3b320d601c3d2e6edc1f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>