ionic: add device reset to fw upgrade down

Doing a device reset addresses an obscure FW timing issue in
the FW upgrade process.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/pensando/ionic/ionic_lif.c

@@ -2101,6 +2101,7 @@ static void ionic_lif_handle_fw_down(struct ionic_lif *lif)
 		ionic_txrx_free(lif);
 	}
 	ionic_lifs_deinit(ionic);
+	ionic_reset(ionic);
 	ionic_qcqs_free(lif);
 
 	dev_info(ionic->dev, "FW Down: LIFs stopped\n");