Updates kvmx: 8fbdfc0 Feat: adds poweroff_pre_command, startup_rsync_to_guest and...

diff --git a/kvmx b/kvmx
index 7aa3b2baebe1b4b0e5a7233268df22bb0b71a851..8fbdfc0f3aa2b41e8bc81e19e53cb4c09f606fb5 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit 7aa3b2baebe1b4b0e5a7233268df22bb0b71a851
+Subproject commit 8fbdfc0f3aa2b41e8bc81e19e53cb4c09f606fb5