Update git submodules

* Update docs/submodules/doctor from branch 'master'
  - fix to get logfile

    Change-Id: I44cc6c5108eb48191ca36cbcb44f787ea542f3ce
    Signed-off-by: dongwenjuan <dong.wenjuan@zte.com.cn>

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 4f61329..b3dcaa3 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 4f6132978ad548ee1e696016d450d0b4a4cbab9f
+Subproject commit b3dcaa337fa91b3123fa08e8b8dd2e81184a91dd