soundwire: Revert "soundwire: debugfs: use controller id instead of link_id"

This reverts commit 6d5e7af1f6f5 ("soundwire: debugfs: use controller id
instead of link_id") for now while we arrive at a better way for this.

Signed-off-by: Vinod Koul <[e-mail]>

drivers/soundwire/debugfs.c

···
 		return;
 
 	/* create the debugfs master-N */
-	snprintf(name, sizeof(name), "master-%d", bus->id);
+	snprintf(name, sizeof(name), "master-%d", bus->link_id);
 	bus->debugfs = debugfs_create_dir(name, sdw_debugfs_root);
 }