Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - patches: Add missing patch metadata line

    Change-Id: I35735c0d35c6004c546a704cee3d6d94ce077225
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 8c6d4ba..32e52fd 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 8c6d4ba39ff626c5f24bd84a2958b07692ea0294
+Subproject commit 32e52fd813e4ae3f13a6a407527a3b8434dd5164