net: dsa: mv88e6xxx: flush VTU and STU entries

Implement the VTU Flush operation (which also flushes the STU), so that
warm boots won't preserved old entries.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 files changed