Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added utility function to retrieve the names of all hosts with a hypervisor.

    Change-Id: I25b91c6eee78ebf35785c4884dded7c9ab2cc412
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index f4bf5f9..2f32a84 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit f4bf5f90437db30ee44013414810054624b73359
+Subproject commit 2f32a84057a7562524cda9f224b13ba0a394d7ce