net: mscc: ocelot: add to tail of empty list in ocelot_vcap_filter_add_to_block

This makes no functional difference but helps in minimizing the delta
for a future change.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mscc/ocelot_vcap.c

@@ -1004,7 +1004,7 @@ static int ocelot_vcap_filter_add_to_block(struct ocelot *ocelot,
 	block->count++;
 
 	if (list_empty(&block->rules)) {
-		list_add(&filter->list, &block->rules);
+		list_add_tail(&filter->list, &block->rules);
 		return 0;
 	}