cxgb4: Update firmware version after flashing it via ethtool

After successfully loading new firmware, reload the new firmware's version
number information so "ethtool -i", etc. will report the right value
Signed-off-by: NHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/t4_hw.c

@@ -1213,6 +1213,8 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
 	if (ret)
 		dev_err(adap->pdev_dev, "firmware download failed, error %d\n",
 			ret);
+	else
+		ret = t4_get_fw_version(adap, &adap->params.fw_vers);
 	return ret;
 }