Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - [docs] Fix broken link and label

    Change-Id: Ia19c1ed05c9d70729787c20650f9a964fc8ede77
    Signed-off-by: Cristina Pauna <cristina.pauna@enea.com>
    (cherry picked from commit 02186a64b206896f03f5ef8995319782b81d37db)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 13488c4..b03b474 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 13488c4b2f8314a2754317687c570770aec106f9
+Subproject commit b03b4742daeac3e46a5225dc11880a8a099bdcfe