Update git submodules

* Update docs/submodules/multicloud/framework.git from branch 'master'
  to 90684184faa11666306c1dbd5cb5d6ad49d4e944
  - Release multicloud framework 1.5.1
    
    Issue-ID: MULTICLOUD-1032
    Signed-off-by: Bin Yang <bin.yang@windriver.com>
    Change-Id: Ie105f770c7c89856e32be6404ce087823126d399
    
diff --git a/docs/submodules/multicloud/framework.git b/docs/submodules/multicloud/framework.git
index e6a4b2a..9068418 160000
--- a/docs/submodules/multicloud/framework.git
+++ b/docs/submodules/multicloud/framework.git
@@ -1 +1 @@
-Subproject commit e6a4b2a5809b359397730f2ae3517a3ffc5204a4
+Subproject commit 90684184faa11666306c1dbd5cb5d6ad49d4e944