Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to d7de59b8d75014a60dfbc6f37aff96a105fa9a79
  - Merge "Updating offline platform with latest 3.0.2"
  - Updating offline platform with latest 3.0.2

    - Adding missing artifacts into onap_3.0.x-http_files.list
    - Some fine-tuning of examples in DOCs

    Issue-ID: OOM-1805

    Change-Id: Ic5a55590a9fa9a244c43aff6a63554aefaea6cc5
    Signed-off-by: Michal Ptacek <m.ptacek@partner.samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index fe952c3..d7de59b 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit fe952c38968cf68cb1003cec42b6b56f1bee8b2c
+Subproject commit d7de59b8d75014a60dfbc6f37aff96a105fa9a79