Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to ebeec4dcc523026106a2b7f82768a5ac89afd4a2
  - Merge "Add missing payload for DGs and Playbooks of LCM APIs"
  - Add missing payload for DGs and Playbooks of LCM APIs

    Add missing payload for DGs and Playbooks of LCM:rollback,
    LCM:upgrade-pre-check and LCM:upgrade-post-check.

    Change-Id: I96d8d86af1200843f85b9ee8a0cc8abf6a0b8ec8
    Issue-ID: SDNC-733
    Signed-off-by: Enbo Wang <wangenbo@huawei.com>

diff --git a/docs/submodules/sdnc/oam.git b/docs/submodules/sdnc/oam.git
index d8d1053..ebeec4d 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit d8d10533ee6b88981f7c32480544b0816aa35675
+Subproject commit ebeec4dcc523026106a2b7f82768a5ac89afd4a2