Updates ckandumper: 661c8d4 Adds kvmxfile

diff --git a/ckandumper b/ckandumper
index 15be194dd91cef6a9c58e7712b13b5316e10fd51..661c8d405c266381383870c1f23656a49d16671b 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 15be194dd91cef6a9c58e7712b13b5316e10fd51
+Subproject commit 661c8d405c266381383870c1f23656a49d16671b