[PATCH openEuler-21.03] net: dsa: sja1105: error out on unsupported PHY mode stable inclusion from stable-5.12.9 commit 6e3e0c3ad1b09526b027b2ebb3f79086d3d1f8b7 bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=7 CVE: NA