sfc: Support extraction of CAPABILITIES from GET_BOARD_CFG response.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index c59667b..4dd39fc 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -97,7 +97,7 @@
 extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
 			       bool *was_attached_out);
 extern int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
-				  u16 *fw_subtype_list);
+				  u16 *fw_subtype_list, u32 *capabilities);
 extern int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart,
 			     u32 dest_evq);
 extern int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);