Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to ee72118f757731a3bc4f674705f00dfb49502e2a
  - Fix SDWAN lan-port deactivate DG with url change

    SDWAN lan-portdeactivate DG is fixed with correct urls
    for device-port-delete, lan-port-delete and
    bride-domain-delete

    Change-Id: I160f219f40e67cbc153e05084a0c851b40672dae
    Issue-ID: SDNC-659
    Signed-off-by: Prakash.E <prakash.e@huawei.com>

diff --git a/docs/submodules/sdnc/oam.git b/docs/submodules/sdnc/oam.git
index a132dd2..ee72118 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit a132dd2269b619a0ecb436969f2ecc51149dfa36
+Subproject commit ee72118f757731a3bc4f674705f00dfb49502e2a