Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Update the example config filename in eyaml README"
  - Update the example config filename in eyaml README

    The example configuration file in the directory pharos/config/utils/
    is config.example.yaml.

    Change-Id: I493274e4ddb689eb729ed642b5f495b5be0b75b0
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 3b881de..be5cb5e 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 3b881de152bf5bc8ced6260406056bad397085fe
+Subproject commit be5cb5e9e36d0cf950c477b3d2276c7c25520953