Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to ebc64fad1d60f14c607db0930f2c5350f622973d
  - Merge "Using the --chown flag to reduce image size"
  - Using the --chown flag to reduce image size

    Patch to reduce the size of the docker image
    for multicloud/k8s image
    Reduces size by about 300mb

    Issue-ID: MULTICLOUD-350
    Change-Id: I240c57267180c020b659795ea965f5c0877252fc
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index f940c42..ebc64fa 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit f940c42e563e67279cc28c7c129a340dc800fd30
+Subproject commit ebc64fad1d60f14c607db0930f2c5350f622973d