Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - update idf file for zte-pod1

    Change-Id: Iffed25c5e01aa9bf2a7b4a7103b07fb1c097d811
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index c703450..68dc60c 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit c7034503e2bb8da20f2b5c678719c7c7fbe6e61f
+Subproject commit 68dc60c1aa7199279995c1fee59ad151b5012af9