Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 11a1f5125102aaff36ff5034346da137b10886dc
  - Merge "Substitute String Literal with Constant"
  - Substitute String Literal with Constant
    
    Substitute String Literals with Constant MsoVnfCloudifyAdapterImpl class
    
    Issue-ID: SO-1490
    
    Change-Id: I5b8340049a85a5405f158cac2518c571b74bc440
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>
    
1 file changed