Update git submodules

* Update docs/submodules/oom.git from branch 'elalto'
  to 966820f8d02c5b1e444d5e294951a2cd4f19e4fa
  - Merge "Fixing missing apiVersion in etcd chart" into elalto
  - Fixing missing apiVersion in etcd chart

    Missing apiVersion causes linting failure and therefore make common
    fails

    Issue-ID: OOM-2156

    Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>
    Change-Id: Idb0aeb998fc99cc8e409247c6b5e20d140297a3e
    (cherry picked from commit 475857ccfe9bd9fe06bb3c61bbb58190f1222945)

diff --git a/docs/submodules/oom.git b/docs/submodules/oom.git
index 2e9d7f8..966820f 160000 (submodule)
--- a/docs/submodules/oom.git
+++ b/docs/submodules/oom.git
@@ -1 +1 @@
-Subproject commit 2e9d7f8de6c1808d669ac24921a81aa764a7bf14
+Subproject commit 966820f8d02c5b1e444d5e294951a2cd4f19e4fa