net: mscc: ocelot: Remove unused declarations

Commit 6c30384eb1de ("net: mscc: ocelot: register devlink ports")
declared but never implemented ocelot_devlink_init() and
ocelot_devlink_teardown().
Commit 2096805497e2 ("net: mscc: ocelot: automatically detect VCAP constants")
declared but never implemented ocelot_detect_vcap_constants().
Commit 403ffc2c34de ("net: mscc: ocelot: add support for preemptible traffic classes")
declared but never implemented ocelot_port_update_preemptible_tcs().

Signed-off-by: Yue Haibing <[e-mail]>
Reviewed-by: Vladimir Oltean <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/mscc/ocelot.h

···
 int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
 		      struct device_node *portnp);
 void ocelot_release_port(struct ocelot_port *ocelot_port);
-int ocelot_devlink_init(struct ocelot *ocelot);
-void ocelot_devlink_teardown(struct ocelot *ocelot);
 int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
 			     enum devlink_port_flavour flavour);
 void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port);

drivers/net/ethernet/mscc/ocelot_vcap.h

···
 int ocelot_vcap_filter_stats_update(struct ocelot *ocelot,
 				    struct ocelot_vcap_filter *rule);
 
-void ocelot_detect_vcap_constants(struct ocelot *ocelot);
 int ocelot_vcap_init(struct ocelot *ocelot);
 
 int ocelot_setup_tc_cls_flower(struct ocelot_port_private *priv,

include/soc/mscc/ocelot.h

···
 		       struct ethtool_mm_state *state);
 int ocelot_port_mqprio(struct ocelot *ocelot, int port,
 		       struct tc_mqprio_qopt_offload *mqprio);
-void ocelot_port_update_preemptible_tcs(struct ocelot *ocelot, int port);
 
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
 int ocelot_mrp_add(struct ocelot *ocelot, int port,