thunderbolt: Log which connection manager implementation is used

This makes it easier to figure out whether the driver is using firmware
or software based connection manager implementation.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/thunderbolt/icm.c

@@ -2302,5 +2302,7 @@ struct tb *icm_probe(struct tb_nhi *nhi)
 		return NULL;
 	}
 
+	tb_dbg(tb, "using firmware connection manager\n");
+
 	return tb;
 }

drivers/thunderbolt/tb.c

@@ -1534,5 +1534,7 @@ struct tb *tb_probe(struct tb_nhi *nhi)
 	INIT_LIST_HEAD(&tcm->dp_resources);
 	INIT_DELAYED_WORK(&tcm->remove_work, tb_remove_work);
 
+	tb_dbg(tb, "using software connection manager\n");
+
 	return tb;
 }