Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added test ability for 2 VMs on different networks to ping each other.

    JIRA: SNAPS-48

    Change-Id: I77973fef06343eb7108e998ea8e939c1f2d9d4a6
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index c52637e..adefc2a 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit c52637e0f7e3a11b9ce39aa28ab16ffa57ce5e3c
+Subproject commit adefc2a958feaac406f0ac9a775bca87f488514b