Update git submodules

Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to ae2694d30df3a7f62324ec7e617d23f187debcbb
  - Fix reuse InstanceName when re-creating a service

    Add instance id instead of NULL to context_id when creating entry in
    GENERIC_RESOURCE_NAME table, Delete entry directly if no prefix and
    name_index involved when rolling back instance name

    Issue-ID: SDNC-798
    Change-Id: I4c6391bf85e289894fd3019eafe76357b9b1c86c
    Signed-off-by: liboz <libo.zheng@arris.com>