Update git submodules

* Update docs/submodules/onosfw from branch 'master'
  - add onos-sfc scenario

    Change-Id: I6e82d36484b229cfa017bff247f5ac9544eb591a
    Signed-off-by: CNlucius <lukai1@huawei.com>

diff --git a/docs/submodules/onosfw b/docs/submodules/onosfw
index 9c2da58..2b80c8e 160000 (submodule)
--- a/docs/submodules/onosfw
+++ b/docs/submodules/onosfw
@@ -1 +1 @@
-Subproject commit 9c2da5868b4b03d5017903d4375aaf6c3371cc90
+Subproject commit 2b80c8ea59398f0cd6df1fbc409589d9a861e686