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
    
1 file changed