Bump reclass

Bump to commit b51190ec66e748380ead17b265b73eb9a7c20a39
to enable https://gerrit.mcp.mirantis.net/24463

Change-Id: I0e7a10258820303ae749cf67d7fb4ac1fcb7f503
diff --git a/classes/system b/classes/system
index 76c49e1..b51190e 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit 76c49e16e709a6f07301472112b4992fcb4f69ee
+Subproject commit b51190ec66e748380ead17b265b73eb9a7c20a39