Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "xci: Create daily virtual jobs for sfc"
  - xci: Create daily virtual jobs for sfc

    Change-Id: I18105f9289f67f634431013d08b24608380f00e4
    Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 0e4ea96..5ec1d16 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 0e4ea9676955c2bb9a06e6c158c6e64bba4b8a8b
+Subproject commit 5ec1d168d77ecf63dfee01c3715666e07158c2af