Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - [docs] Update release name

    Change-Id: Ib8f7ea681b581810c4992bbe864dce0565c1ae7f
    Signed-off-by: Cristina Pauna <cristina.pauna@enea.com>
    (cherry picked from commit 67950b05d29a4520352e3337097f81ac9097e816)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index d4bdaf0..13488c4 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit d4bdaf02b96739f7914a795a9aab0ad9a03b8712
+Subproject commit 13488c4b2f8314a2754317687c570770aec106f9