Update git submodules

* Update docs/submodules/releng-xci from branch 'master'
  - Merge "Add required packages install for AIO"
  - Add required packages install for AIO

    The All-in-One flavor is missing the tasks for the installation of
    distro and pip packages, these tasks are performed by other flavors.

    Change-Id: Ia0f707c08acd47e1dc4577916da58e338ba187fa
    Signed-off-by: Victor Morales <victor.morales@intel.com>

diff --git a/docs/submodules/releng-xci b/docs/submodules/releng-xci
index 182bd5c..b1f8a1b 160000 (submodule)
--- a/docs/submodules/releng-xci
+++ b/docs/submodules/releng-xci
@@ -1 +1 @@
-Subproject commit 182bd5c4a33ed9f852f74e6d20635787739edcab
+Subproject commit b1f8a1b75764937befd84cb00138c61c893eec82