Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 51bc2809a58a24b20d851c10d21bcccf2a849e6b
  - fix bug: [SDC-2275]Service properties - issue on save multiple properties
     Issue-ID: SDC-2275
    
    Change-Id: If9e44517727547dbf2bd28ecbaa96be6114bd848
    Signed-off-by: miriame <miriam.eini@amdocs.com>
    
1 file changed