Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Added port security flag support to ports.

    Change-Id: Ib66607b7656093c5f0cd0e2cb4c0aa9c3b9c661a
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index c0942c3..c0aee4c 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit c0942c3dd80fa50e15fc81d1b022199200640587
+Subproject commit c0aee4c0d7620a32f5314ca938e4aca10c27adda