Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Pin os-odl-sfc to project internal tag 6.0.1

    deploy-scenario:os-odl-sfc
    installer-type:osa

    Change-Id: I583c8620f29b0735a52c64309d2113f56d38be1e
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 8dc9f3a..b064ca7 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 8dc9f3a0d2c4db3bd9720966043dda0d2d4431bb
+Subproject commit b064ca76f13aeac2be51431849f776bbf2eacfbb