Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to fff4f53c26495d75682e3d80c4dc0a8686f5e0c7
  - Add needed pypi patching for oof

    OOF component recently introduced new internet dependency
    and it's downloading flask and requests pip packages.
    This patch is needed for fixing this in offline platform.

    Change-Id: I5bb707bf13af30f6df5cfd42cee75e2d1839821e
    Issue-ID: OPTFRA-509
    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 1a6a079..fff4f53 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 1a6a0793f5dbefb226ebcfb1e2a542ae2272ff9b
+Subproject commit fff4f53c26495d75682e3d80c4dc0a8686f5e0c7