Updated git submodules

Project: sfc master 645e172fbabbac173ec2a7180f32abd41db4067f

SFC-206: Fix no sfc-scf-openflow listeners @runtime

sfc-scf-openflow listeners were not being instantiated by blueprint
because their constructor parameters were not singletons that could be
injected. Introduced in b5fabe5.

Fixed by creating the listeners manually.

Bug: https://jira.opendaylight.org/browse/SFC-206
Change-Id: If3a01d691cbce8478537fd50cdead461d6740e9c
Signed-off-by: Jaime Caamaño Ruiz <jcaamano@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 62cbc5f4ffd63866c026c0c12b9554ba95e79b73..645e172fbabbac173ec2a7180f32abd41db4067f 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 62cbc5f4ffd63866c026c0c12b9554ba95e79b73
+Subproject commit 645e172fbabbac173ec2a7180f32abd41db4067f