Update mech_eap for empty certhash

diff --git a/moonshot b/moonshot
index 24880bc..f20224c 160000 (submodule)
--- a/moonshot
+++ b/moonshot
@@ -1 +1 @@
-Subproject commit 24880bcb6da65246548a156bbfc00e6b2458d396
+Subproject commit f20224cef3b39d1865f02c22a4f84f6d537fa4bf