Update submodules

diff --git a/cpu/cyclone b/cpu/cyclone
index 355815e..66dda84 160000 (submodule)
--- a/cpu/cyclone
+++ b/cpu/cyclone
@@ -1 +1 @@
-Subproject commit 355815ebb5b1c60916f66d043a43f3af7839589f
+Subproject commit 66dda842eae01f47f5389b931ec9567fb0bbb6a1