Rename TagListMatch to ListMatch

This match functor doesn't have anything to do with 'tags'.
diff --git a/phosphor-mapper b/phosphor-mapper
index fda70c7..1a63317 100644
--- a/phosphor-mapper
+++ b/phosphor-mapper
@@ -174,7 +174,7 @@
 		self.bus = bus
 		self.name_match = name_match
 		self.intf_match = intf_match
-		self.tag_match = OpenBMCMapper.TagListMatch(['children', 'interface'])
+		self.tag_match = OpenBMCMapper.ListMatch(['children', 'interface'])
 
 		self.discovery_done = False