Update git submodules

* Update docs/submodules/auto from branch 'master'
  - cosmetic change to R6.2 Release Notes

    JIRA: AUTO-41

    forgot blank line before list of notable activities
    (line 277); opnfvdocs rendition did not look good;

    Change-Id: Ic5073e5021164c27fdcccab4b11fd8f375bfeeaf
    Signed-off-by: Gerard Damm <gerard.damm@wipro.com>

diff --git a/docs/submodules/auto b/docs/submodules/auto
index 62ae170..f2b7433 160000 (submodule)
--- a/docs/submodules/auto
+++ b/docs/submodules/auto
@@ -1 +1 @@
-Subproject commit 62ae1703e708407ea9da82b5107538b191a945b4
+Subproject commit f2b7433b3f20299d935c42e978d56703b11eb17b