Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 157ea35af89059544b05058c20fb2eb8309a5f13
  - Merge "Document OJSI-34 vulnerability"
  - Document OJSI-34 vulnerability
    
    Issue-ID: OJSI-34
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
    Change-Id: Iaba8ddee3d1b4dcd79232f99ad23c6ffe1b609ae
    
1 file changed