Update git submodules

* Update docs/submodules/doctor from branch 'master'
  - Updated from global requirements

    Change-Id: I892ae546490cac6e8a59c68bbf2dd214f8842597
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 45a8a74..9427c62 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 45a8a746baee0f8bd8413a15db8f77326160edf4
+Subproject commit 9427c62ea36102ac72052c3f2ff8cca0f1bdf2be