net/mlx5: Add cap bits for multi fdb encap

If set, the firmware supports creating of flow tables with encap
enabled while VFs are configured, if we already created one
(restriction still applies on the first creation).

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

include/linux/mlx5/mlx5_ifc.h

@@ -584,7 +584,9 @@ struct mlx5_ifc_flow_table_nic_cap_bits {
 struct mlx5_ifc_flow_table_eswitch_cap_bits {
 	u8      reserved_at_0[0x1c];
 	u8      fdb_multi_path_to_table[0x1];
-	u8      reserved_at_1d[0x1e3];
+	u8      reserved_at_1d[0x1];
+	u8      multi_fdb_encap[0x1];
+	u8      reserved_at_1e[0x1e1];
 
 	struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_esw_fdb;