Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to a96b1cca28d388c8c93c2f973a9e52633a25124c
  - Merge "Remove reference to Appendix in BuildGuide"
  - Remove reference to Appendix in BuildGuide

    Appendix was removed in change I8859ba42420d351ce12347cd63bf11f95a4b528d

    Fixed some wording.

    Change-Id: I3ad585b67532a4a44bf272d8ebfefec03ec3cc12
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
    Issue-ID: OOM-2158

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index 694656b..a96b1cc 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 694656b0fd93183b99a1065dd9dafaf367e14552
+Subproject commit a96b1cca28d388c8c93c2f973a9e52633a25124c