Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 8e1a5cefb9b8892854aa11dbf48174adc259835f
  - Merge "Fixed vf-module-topology DG with valid request-action"
  - Fixed vf-module-topology DG with valid request-action
    
    New request-actions added in GENERIC-RESOURCE-API.yang.
    CreateSDWANSiteInstance, ActivateSDWANSiteInstance,
    DeactivateSDWANSiteInstance, DeleteSDWANSiteInstance are
    added and it is replaced in vf-module-topology DG
    
    Change-Id: I0898056cb43763ff04eda0e503bc05706b283f3d
    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 3911362..8e1a5ce 160000
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit 3911362969fc1d329cb9fbc07b414be70820a780
+Subproject commit 8e1a5cefb9b8892854aa11dbf48174adc259835f