net: dsa: mv88e6xxx: enable devlink ATU hash param for Topaz

Commit 23e8b470

 ("net: dsa: mv88e6xxx: Add devlink param for ATU
hash algorithm.") introduced ATU hash algorithm access via devlink, but
did not enable it for Topaz.

Enable this feature also for Topaz.

Signed-off-by: Marek Behún <kabel@kernel.org>
Fixes: 23e8b470

 ("net: dsa: mv88e6xxx: Add devlink param for ATU hash algorithm.")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>