Update git submodules

* Update docs/submodules/doctor from branch 'stable/gambia'
  - Gambia release note update

    Latest changes and DOCTOR-130

    Change-Id: I224ba7f0ac4d0a853a72d6667c8e464ad4d8ccf7
    Signed-off-by: Tomi Juvonen <tomi.juvonen@nokia.com>
    (cherry picked from commit de6365200848d3c7862f7dba5680f923bc6994c6)

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 99d9f3d..9250be9 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 99d9f3d695e1890dc00e7f4dd554418cec57584b
+Subproject commit 9250be9b9f3e3fff0c5aa827daf89f0212ce964f