[sonic-platform-common] Update submodule (#1806)

jleveque · lguohan · commit d0803b76ce8b · 2018-06-22T11:56:57.000-07:00
diff --git a/src/sonic-platform-common b/src/sonic-platform-common
@@ -1 +1 @@
-Subproject commit 9adb75feee6de75bd2e9faf542ac5610edc3fa35
+Subproject commit 76ae431e41dca1255f8056b590668c9ca187f031
