Update git submodules

* Update docs/submodules/so/libs.git from branch 'master'
  to 720654dcb4ec033cf16892d1aa730100f057ff61
  - bump the version of the libs to 1.6.1
    
    Issue-ID: SO-2519
    
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
    Change-Id: I2108afe415472a79f686cd434b58320ffccd0a6f
    
1 file changed