Update git submodules

* Update docs/submodules/doctor from branch 'master'
  - Fix retrieval of log filename path

    Change-Id: I0dd61a020827e7ba9ec7a2e0300bf50dd7175e86
    Signed-off-by: Carlos Goncalves <mail@cgoncalves.pt>

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 171f4b4..4f61329 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 171f4b42c7d6e179a987b98b46d8c9ae6f2fc36d
+Subproject commit 4f6132978ad548ee1e696016d450d0b4a4cbab9f