i40: disable FCoE for MFP modes

Currently FCoE is not supported with MFP modes, so this patch
makes sure it is disabled.

It is disabled by overriding HW FCoE capability, so that later
it can be re-enabled by just the SW upgrade.

Change-ID: I1c0bae5c099b209f56b88bda360031a8565e43e8
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-By: Jack Morgan <jack.morgan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_common.c

@@ -1949,6 +1949,12 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff,
 		}
 	}
 
+	/* Software override ensuring FCoE is disabled if npar or mfp
+	 * mode because it is not supported in these modes.
+	 */
+	if (p->npar_enable || p->mfp_mode_1)
+		p->fcoe = false;
+
 	/* additional HW specific goodies that might
 	 * someday be HW version specific
 	 */