Update git submodules

* Update docs/submodules/doctor from branch 'master'
  - Merge "Release note for Fraser"
  - Release note for Fraser

    Change-Id: I22db79ca21c9812b8ab5ef88e9e6aa51b5f6ce05
    Signed-off-by: Tomi Juvonen <tomi.juvonen@nokia.com>

diff --git a/docs/submodules/doctor b/docs/submodules/doctor
index 8ad1bb1..aeb2ff1 160000 (submodule)
--- a/docs/submodules/doctor
+++ b/docs/submodules/doctor
@@ -1 +1 @@
-Subproject commit 8ad1bb152a304a6b195485010e66e013b7404a34
+Subproject commit aeb2ff16a530c7c7af9a6e2d16ba5421dd074cff