Add freerad and trustrouter to each others' groups

diff --git a/freeradius-server b/freeradius-server
index 0d1f3b7..b9d007d 160000 (submodule)
--- a/freeradius-server
+++ b/freeradius-server
@@ -1 +1 @@
-Subproject commit 0d1f3b78ebcba873e3ed38fc123408c00ede43a5
+Subproject commit b9d007db0e5dc9c3e94fa359522be31f1688588e