Updates kvmx: 6207b57 Minor restricted shell fix

diff --git a/kvmx b/kvmx
index d60e326ffa7cc97da222af5da7d5d99893a9b176..6207b570cf9bc67fb0988ce91f5c79e6430c0acc 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit d60e326ffa7cc97da222af5da7d5d99893a9b176
+Subproject commit 6207b570cf9bc67fb0988ce91f5c79e6430c0acc