Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 8f771366287c0bb8064279c178d474d8feb676f1
  - Merge "Move Storage access to RWO"
  - Move Storage access to RWO

    Mariadb PVC are created in 1 to 1 mapping with galera replicas thus we
    don't need RWX.

    Change-Id: I438855b2d4b2f90932387e056c168b0a995975a5
    Issue-ID: OOM-2081
    Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>

diff --git a/docs/submodules/oom.git b/docs/submodules/oom.git
index 55c686c..8f77136 160000 (submodule)
--- a/docs/submodules/oom.git
+++ b/docs/submodules/oom.git
@@ -1 +1 @@
-Subproject commit 55c686c83695aaa131bee70fe7618c93e1d0cb9b
+Subproject commit 8f771366287c0bb8064279c178d474d8feb676f1