Update framework

Changed log messages and added more tests in
`tests/opt-testcases/handshake-generated.sh`.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/framework b/framework
index 4a009d4..8d85112 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 4a009d4b3cf6c55a558d90c92c1aa2d1ea2bb99b
+Subproject commit 8d85112a44d052a5d89cb0a135e162384da42584