Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Log Horizon URL, admin username and password on console.

    Added so that user need not traverse files for these parameters

    JIRA: RELENG-221

    Change-Id: I1c445ea34ef9494d5bef3a6cba0c8d40bacba29f
    Signed-off-by: Taseer Ahmed <taseer94@gmail.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 50c132f..bc25086 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 50c132fa9d563f6a4d81938814937da2dfa957ca
+Subproject commit bc25086681c0bdd3ffc94ee6af478708a7dd8803