Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to b6f2775e642f2a0b7cfeb4162bae8a98ec0ea0ae
  - Merge "SDWAN device oper status not updated in AAI"
  - SDWAN device oper status not updated in AAI

    fixed few issues
    1.calling sube DG sdwan-get-tenant-auth
    not required
    2.AAI device not updated with active on device activate

    Change-Id: Ib782c0db8735c446b018412a0865df65ef55f10d
    Issue-ID: SDNC-653
    Signed-off-by: shashikanth.vh <shashikanth.vh@huawei.com>

diff --git a/docs/submodules/sdnc/oam.git b/docs/submodules/sdnc/oam.git
index f68d82e..b6f2775 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit f68d82e64933a6301aef43bb8df4b0477c21d477
+Subproject commit b6f2775e642f2a0b7cfeb4162bae8a98ec0ea0ae