[sonic-utilities] Update submodule (#2252)

jleveque · lguohan · commit 47b0bfa7885b · 2018-11-14T01:14:40.000-08:00
diff --git a/src/sonic-utilities b/src/sonic-utilities
@@ -1 +1 @@
-Subproject commit f3bb9bddf1061104e75cb70f86e83feb0baf5336
+Subproject commit ac67208de1d7f2b2b9f3e95ad6b24d1de9f9d525
