Update git submodules

* Update docs/submodules/multicloud/framework.git from branch 'master'
  to e884e2812d775013e1f2d719095fd0ac9a6aafa6
  - Update API spec to support multi-tenants

    Enable multicloud to support multi-tenants
    of a cloud region while being backward compatible
    which support the default tenant

    Change-Id: I0b82e9dfb1e279c5adf780c06d26e2278f7d47d7
    Issue-ID: MULTICLOUD-528
    Signed-off-by: Bin Yang <bin.yang@windriver.com>

diff --git a/docs/submodules/multicloud/framework.git b/docs/submodules/multicloud/framework.git
index 771d3a4..e884e28 160000 (submodule)
--- a/docs/submodules/multicloud/framework.git
+++ b/docs/submodules/multicloud/framework.git
@@ -1 +1 @@
-Subproject commit 771d3a4cc273f8ddea2a4bb4de09b9ef7c855058
+Subproject commit e884e2812d775013e1f2d719095fd0ac9a6aafa6