Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Merge "Add support for Compass installer"
  - Add support for Compass installer

    JIRA: SFC-122

    Add support for Compass installer in SFC repo which will make
    Compass SFC scenarios be verified by SFC testcase daily.

    Change-Id: I8129ebe837d54cdcd163158990fccf40451b98ad
    Signed-off-by: Yifei Xue <xueyifei@huawei.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 9c3b1a0..abf33b5 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 9c3b1a031a1467baf97c4b76c94be1f68444ec7a
+Subproject commit abf33b5d34225408fd882e455c86c36e0493c5e5