Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 58a3b6851697cd28042583d6f60a6845694a2f74
  - context-parameter returned to caller DG is not correct

    parameter tmp.vidx is used in vpn-activate DG,
    updated validate-vpn DG by returning tmp.vidx
    inplace of tmp.nidx

    Change-Id: I42ddac5eb6384dd01992c2bbb387a3cc14aade54
    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 fac6813..58a3b68 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit fac6813d763bd635d66fd2e213330bc2e6501b77
+Subproject commit 58a3b6851697cd28042583d6f60a6845694a2f74