Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 576e6a47f049a2cf6823ae070d7c03db15dd5e76
  - unit tests - openecomp-sdc
    
    Additional junit tests mostly for pojos
    
    Change-Id: I851d7df94b1e1c225d087b8881c3c1cd30867efb
    Issue-ID: SDC-2326
    Signed-off-by: Tomasz Golabek <tomasz.golabek@nokia.com>
    
1 file changed