Update git submodules

* Update docs/submodules/auto from branch 'stable/fraser'
  - Merge "Fix key issue" into stable/fraser
  - Fix key issue

    JIRA: -

    Misplace public key and private key

    Change-Id: Iae694cfdab00500af863c934f5924693d5bab5d1
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
    (cherry picked from commit a85a3366e4ca2094facf69b696e0c03e97ab45dc)

diff --git a/docs/submodules/auto b/docs/submodules/auto
index 4219315..3a957a7 160000 (submodule)
--- a/docs/submodules/auto
+++ b/docs/submodules/auto
@@ -1 +1 @@
-Subproject commit 4219315e33dfd8afee2f1368afc8a206bbc7bfbb
+Subproject commit 3a957a75f99686767d13f45d74b5ca8463559b7b