Updates kvmx: 3cef028 Check if VM is running at kvmx_install

diff --git a/kvmx b/kvmx
index b9331718efcced4573551628425168aee647eb12..3cef0284b124696938645e11eae9a8ae2def9e60 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit b9331718efcced4573551628425168aee647eb12
+Subproject commit 3cef0284b124696938645e11eae9a8ae2def9e60