Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 30a75914225f313fac7a40b6bc2a2d0d782fc112
  - CCVPN extension lan-port templates

    lan-port - device-port, bridge-domain and ip-subnets templates

    Change-Id: I94797ee8f58c8817d578a263a631ca0ac485dd26
    Issue-ID: SDNC-659
    Signed-off-by: Prakash.E <prakash.e@huawei.com>
  - CCVPN extension lan-port DGs

    lan-port vf-module-topology-operation DGs

    Change-Id: If1eed2e899229eb311c2cc6324dfa7858404ce18
    Issue-ID: SDNC-659
    Signed-off-by: Prakash.E <prakash.e@huawei.com>
  - CCVPN extension site resource DGs

    DEVICE and SITE VF-topology-operation DGs

    Change-Id: Ieb9fdfed7918489ce56d10e848663f81e56445e7
    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 279d602..30a7591 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit 279d602669da7a26f00cd20a340a243d488e0fbf
+Subproject commit 30a75914225f313fac7a40b6bc2a2d0d782fc112