Update git submodules

* Update docs/submodules/auto from branch 'master'
  - Merge "first draft of Auto configuration guide; patched;"
  - first draft of Auto configuration guide; patched;

    JIRA: AUTO-27

    First draft of Auto configuration guide, referencing long-term goals
    and current progress (from wiki page).
    Patch to fix typos and address comments.

    Change-Id: I9a15bbed9b71a7f351be274401c0ae033befb245
    Signed-off-by: Gerard Damm <gerard.damm@wipro.com>

diff --git a/docs/submodules/auto b/docs/submodules/auto
index 56002f1..f2aa179 160000 (submodule)
--- a/docs/submodules/auto
+++ b/docs/submodules/auto
@@ -1 +1 @@
-Subproject commit 56002f18fbac67bcdd197e04689414b25c830ddc
+Subproject commit f2aa179196834aca5f20751cb1e786b117cdc2d2