Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to c8ba8f21b68b64b4068f188614dd7c891edf035f
  - Test cases for resolving the helm templates

    Added test cases for overriding values and
    resolving the helm charts.
    Also addressed the merge conflicts
    and review comments

    Issue-ID: MULTICLOUD-1041
    Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
    Change-Id: I511e8e2e71c60e878df434370fc053f09cda1f66

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 502b610..c8ba8f2 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 502b61039dbdc9089768a49b87163e654d8cbfb7
+Subproject commit c8ba8f21b68b64b4068f188614dd7c891edf035f