In case memory resources for *fw* were successfully allocated,
release them before return.
Addresses-Coverity-ID: 
1473968 ("Resource leak")
Fixes: 00d70d8e0e78 ("net: phy: mscc: add support for VSC8574 PHY")
Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                                dev_err(dev,
                                        "%s: failed to assert reset of micro\n",
                                        __func__);
-                               return ret;
+                               goto out;
                        }
                }
        } else {