Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added members to VmInst that will contain the availability_zone
    and compute_host names while deprecating the method get_vm_info().

    JIRA: SNAPS-277

    Change-Id: Idc8578b3f2cf2be8ef90f52dd025dbea729b222b
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index f77540b..fb0ab37 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit f77540b440d3e5224eb1648339dc8c945f29bbe2
+Subproject commit fb0ab37c323717ca10ac3f3bda24ae390635495e