Update git submodules

* Update docs/submodules/doctor from branch 'master'
  - Create devstack plugin for osprofiler configuration

    Change-Id: Ifd6f90ea1d39d7385f1ab099bc7b0b2ed59efac5
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 7ad77a7..f2c343d 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 7ad77a7c4970056c3be42bc2aec5cb5322154cdb
+Subproject commit f2c343dae4d3d60111236648ee804d060dc6e0e8