Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to f0f575b6c0c66cdd82cdc5f17a54e02d445cd9a7
  - Merge "Support user_directives that are attributes lists"
  - Support user_directives that are attributes lists

    Support the attributes in user_directives
    attributes are lists of the following form:
    "attributes": [
     		{
     			"attribute_value": "foo",
     			"attribute_name": "bar"
     		},
     		{
     			"attribute_value": "value2",
     			"attribute_name": "name2"
     		}
     		]

    Issue-ID: ONAPARC-349
    Change-Id: I576bc251d1566dc26696f12f826a09bacb7417a0
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>