Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 2a355bb76368fd6bc727e8736cb07f6eabb7d038
  - Updating documentation for El Alto

    Removing necessity of merging docker data lists manually as it's already
    solved in the build_nexus_blob.sh script

    Updating all links and references to El Alto

    Issue-ID: OOM-2016

    Change-Id: I1e343a8af1d26f7f6f80a8d76fa7997883b678e4
    Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index 19033d0..2a355bb 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 19033d018dcc521008b15132a1666b95f292c6ac
+Subproject commit 2a355bb76368fd6bc727e8736cb07f6eabb7d038