Update git submodules

Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - [daisy] network template: Fix set inside loop

    Previous implementation fails in older versions of py-jinja2.
    See related bug reports [1, 2].
    Since `networks.update` on its own is enough, stop assigning its
    result back to 'networks'.

    [1] https://github.com/pallets/jinja/issues/641
    [2] https://github.com/pallets/jinja/issues/164

    Change-Id: I303388223bdec9ae43e49d988aee41b5b47c1562
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>