[sonic-utilities]: Update submodule to include CLI fixes (#484)

jleveque · Shuotian Cheng · commit 0db93789dbd5 · 2017-04-06T23:40:12.000-07:00
diff --git a/src/sonic-utilities b/src/sonic-utilities
@@ -1 +1 @@
-Subproject commit 03488ff6e7684c807351158db8f70d89f126d8b2
+Subproject commit 52cff2aa4412d3da78f4bb7cfe3018d427fb5d01
