update OpenSSH to keyex branch

diff --git a/openssh b/openssh
index fc4c43d..5d21250 160000 (submodule)
--- a/openssh
+++ b/openssh
@@ -1 +1 @@
-Subproject commit fc4c43dfd9d29f097b21cdce5cadee691948dd4a
+Subproject commit 5d212506d4ccc7f0e93dbfc756f380583addb20e

diff --git a/shibboleth/sp b/shibboleth/sp
index cf412a6..877d003 160000 (submodule)
--- a/shibboleth/sp
+++ b/shibboleth/sp
@@ -1 +1 @@
-Subproject commit cf412a66936d0db4e555335ae318cc03dd69705e
+Subproject commit 877d003e076dbbd47eaaac6cde6c79df1b672be6