Update git submodules

* Update docs/submodules/fuel from branch 'stable/euphrates'
  - [vcp] Increase timeout till VCP VMs online

    Change-Id: I95c284cbf374194694360bffbeaf6770db6111bf
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 4b63bd0ea961d06723b277b874168c2aaddb96c5)

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index 80fa21c..ea5f65b 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit 80fa21c1cf4eea0f41438bc0f7509af7ee237dc1
+Subproject commit ea5f65b10e4530f4ecc2ea2a13e87f7998899366