Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump for sysinfo print

    Change-Id: I578c9709f1efbbd06807085c9fc355fc8c6b5525
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit b421cebeaad47376f709f8d9dc6e9360ff248733)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 42bfa72..2b0ac40 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 42bfa72f399d2465f6527a21ff47e16cb587cb1a
+Subproject commit 2b0ac4026a3acf3b10ab2f4c416636d80ab559f0