Update git submodules

* Update docs/submodules/so/libs.git from branch 'master'
  to 86220e985cfc95c4084790ac1b718a30fb22e961
  - bump the libs to 1.6.0
    
    Issue-ID: SO-2519
    
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
    Change-Id: I872c4c74f0f8e9731558180ec92d6e2d33690efe
    
1 file changed