* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 
26ef4861c1ca2e8aa15342f2b34f7a51936e71ab
  - Update Ansible playbook for PNF software rollback
    Use sub-operation swFallback from 3GPP to implement PNF software rollback.
    Change-Id: I6f49755430bad673d07a52a9cb0b8973a1842ee6
    Issue-ID: SDNC-671
    Signed-off-by: Enbo Wang <wangenbo@huawei.com>
-Subproject commit 77710f34952c5ac8d6f8250d90b03b43de1a4a5b
+Subproject commit 26ef4861c1ca2e8aa15342f2b34f7a51936e71ab