Updates kvmx: 8721e9c Force config symlink

diff --git a/kvmx b/kvmx
index 1424d9116318e472874cc6df36d128db064d3f37..8721e9c27d1ff74fc96462275aaeefaec18aff54 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit 1424d9116318e472874cc6df36d128db064d3f37
+Subproject commit 8721e9c27d1ff74fc96462275aaeefaec18aff54