Bump Mitaka reclass

Change-Id: If9fc0e60bd3d8aa966aa38e22853fec004c5840e
Related-Prod: PROD-21767 (PROD:21767)
diff --git a/classes/system b/classes/system
index 7b0aefe..6bcddaf 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 7b0aefebe440043ae217f795f56edbe43f6ab1fc
+Subproject commit 6bcddaf7edf5925d423db28162db5a016b92b520