[swsssdk]: update DBInterface submodule (#1942)

keboliu · lguohan · commit bc4a39fcd800 · 2018-09-06T07:45:45.000Z
diff --git a/src/sonic-py-swsssdk b/src/sonic-py-swsssdk
@@ -1 +1 @@
-Subproject commit ca540c9c51e2bb704802a89ecd2b485578bd8211
+Subproject commit 6272b5f7abb743411c703dac46eb39f951b57818
