Updated git submodules

Project: aai/aai-common master 1df206c251de52d8e6bf145fddb0b8a6c082105d

AAI-1639 Update wan-port-config to support IPv4/v6

Issue-ID: AAI-1639
Update wan-port-config with ipv4-address, ipv6-address,
provider-ipv4-address and provider-ipv6-address.
For compatibility, keep ip-address and provider-ip-address as previously
published, but plan to deprecate and remove them.

Change-Id: Id96f90bb4034b8cb0c17f13a601ec881a67e9cf2
Signed-off-by: Keong Lim <keong.lim@huawei.com>

diff --git a/docs/submodules/aai/aai-common.git b/docs/submodules/aai/aai-common.git
index 20bc168..1df206c 160000 (submodule)
--- a/docs/submodules/aai/aai-common.git
+++ b/docs/submodules/aai/aai-common.git
@@ -1 +1 @@
-Subproject commit 20bc1683e3935ccaae2d4452e62cf9179fbce24a
+Subproject commit 1df206c251de52d8e6bf145fddb0b8a6c082105d