sfc: Synchronise link_advertising and wanted_fc on Siena

All of the ethtool code paths keep them in sync, but we need
to ensure they are sync'd at start of day. Matches the sft9001
driver.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sfc/mcdi_phy.c

@@ -395,6 +395,7 @@ static int efx_mcdi_phy_probe(struct efx_nic *efx)
 	efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
 	if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
 		efx->wanted_fc |= EFX_FC_AUTO;
+	efx_link_set_wanted_fc(efx, efx->wanted_fc);
 
 	return 0;