i40e: set context to use VSI RSS LUT for SR-IOV

For the SR-IOV VSIs, when the queue filtering section is valid,
the RSS LUT needs to be set to use the VSI specific lookup table
(otherwise it will use the PF RSS LUT table).

Change-ID: Ia9377cc818078238a75c3bdeade1b593a91b3480
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>