Update git submodules

* Update docs/submodules/multicloud/framework.git from branch 'master'
  to d331bc744dc365d24818481a3ca7118ba1f05b29
  - Add Get register api implementation in framework

    the openstack plugin have implemented the api, so we also need to
    implement it in the framework, then user can call it

    Issue-ID: MULTICLOUD-740
    Signed-off-by: Haibin Huang <haibin.huang@intel.com>
    Change-Id: I16bc23dffd15e0d7a21d6ace090757a8f444e14f

diff --git a/docs/submodules/multicloud/framework.git b/docs/submodules/multicloud/framework.git
index 0f01752..d331bc7 160000 (submodule)
--- a/docs/submodules/multicloud/framework.git
+++ b/docs/submodules/multicloud/framework.git
@@ -1 +1 @@
-Subproject commit 0f0175254dc2ea1d3e995f7abe00552f36d7bf53
+Subproject commit d331bc744dc365d24818481a3ca7118ba1f05b29