i40evf: fix merge error in older patch

This patch fixes a missing line that was missed while merging,
which results in a driver feature in the VF not working to
enable RSS as a negotiated feature.

Fixes: 43a3d9ba ("i40evf: Allow PF driver to configure RSS")
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>