Update system submodule

Change-Id: I81080a8360ad1284c98fca0148959070d4d4934b
diff --git a/classes/system b/classes/system
index 00b52f8..971f832 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 00b52f8b45f69f9d76c08c550319251b10c08284
+Subproject commit 971f832efcbff3f56378e88149da31e3eeb558ff