CVE-2022-48812 net: dsa: lantiq_gswip: don't use devres for mdiobus

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiqgswip: don't use devres for mdiobus As explained in commits: 74b6d7d13307 "net: dsa: realtek: register the MDIO bus under devres" 5135e96a3dd2 "net: dsa: don't allocate the slavemiibus using devres" mdiobusfree wi...