Include CB fixes and postinst cleanup for freeradius

diff --git a/freeradius-server b/freeradius-server
index 036fd0b..560cb4b 160000 (submodule)
--- a/freeradius-server
+++ b/freeradius-server
@@ -1 +1 @@
-Subproject commit 036fd0b31464063f3f8d6a685968690cb1592ddf
+Subproject commit 560cb4bd9e4a073bf54335ea282a3892a9133951