Update git submodules

* Update docs/submodules/sfc from branch 'stable/euphrates'
  - Merge "Fix vnffgd templates" into stable/euphrates
  - Fix vnffgd templates

    JIRA: SFC-105

    They have a typo which resulted in errors in Tacker when loading the template

    Change-Id: I5723c756add7610377815180352140d58fd783a5
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 8321e17..7a081b4 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 8321e17500ff882e9fc57e166f518618b1448142
+Subproject commit 7a081b4ebae0b7773d867714b126152476786a0d