Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to b2ce22fe9115e0622eb01b1fba0faa5decb6a3d2
  - Merge "Use released version of sdnc-northbound"
  - Use released version of sdnc-northbound

    Update sdnc docker build to use released version 1.5.0 of sdnc-northbound.

    Change-Id: Idf6f50ce14fb61ab8775002a084bdd72e68e8195
    Issue-ID: SDNC-704
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>

diff --git a/docs/submodules/sdnc/oam.git b/docs/submodules/sdnc/oam.git
index 05ccc18..b2ce22f 160000 (submodule)
--- a/docs/submodules/sdnc/oam.git
+++ b/docs/submodules/sdnc/oam.git
@@ -1 +1 @@
-Subproject commit 05ccc1879959d01720065f633d08e68ede2c04aa
+Subproject commit b2ce22fe9115e0622eb01b1fba0faa5decb6a3d2