i40e: Enable l2tsel bit for VLAN tag control

Enable the l2tsel bit on Rx queue contexts that are assigned to VFs so
that the VF can get the stripped VLAN tag.

Change-ID: I7d9bc56238a9ea9baf5e8a97e69b9e27ebb9d169
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

@@ -350,6 +350,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx,
 	rx_ctx.lrxqthresh = 2;
 	rx_ctx.crcstrip = 1;
 	rx_ctx.prefena = 1;
+	rx_ctx.l2tsel = 1;
 
 	/* clear the context in the HMC */
 	ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);