Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 55e8600f2f70f051f7bd897cd4926e258980ba07
  - Apply Valid Value Constraints validation
    
    Service consumption scenario fix
    
    Change-Id: I5ad7beb18b0490385d24ce30b750ca5c2ebb28a8
    Issue-ID: SDC-2224
    Signed-off-by: siddharth0905 <siddharth.singh4@amdocs.com>
    
1 file changed