Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 92753192dce9d0f526c0ddf79b3c5de6f05721e4
  - SDWAN vpn-create DG reoptimized

    Removed duplicate nodes to fetch vnf-id from
    service-data where it is present in both validate
    input parameter DG and vpn-create DG

    Change-Id: I2188f040b199f9f986a80855f7164a015eff835d
    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 b83410a..9275319 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit b83410a64457c04568bac634a8f85c7274980008
+Subproject commit 92753192dce9d0f526c0ddf79b3c5de6f05721e4