Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to e4849d9e08f994766856d16160ffbd011dd1b109
  - Document OJSI-122 vulnerability
    
    Issue-ID: OJSI-122
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: I41342d29427ab1d8d7de345bad79454f4dd74bf3
    
diff --git a/docs/submodules/optf/osdf.git b/docs/submodules/optf/osdf.git
index c2792b0..e4849d9 160000
--- a/docs/submodules/optf/osdf.git
+++ b/docs/submodules/optf/osdf.git
@@ -1 +1 @@
-Subproject commit c2792b0c133098f31022a69fb45bffc8f5518405
+Subproject commit e4849d9e08f994766856d16160ffbd011dd1b109