Print the level for each dumped node, also serves as a delimiter, else all the PCI devices look like a mess.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32824 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/listdev/listdev.c

@@ -113,6 +113,8 @@ dump_device(device_node_cookie *node, uint8 level)
 	attr.value.raw.data = data;
 	attr.value.raw.length = sizeof(data);
 
+	put_level(level);
+	printf("(%d)\n", level);
 	while (dm_get_next_attr(&attr) == B_OK) {
 		dump_attribute(&attr, level);
 	}