Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 7480415fabbe61ef06b958c59d4a4af201b69da3
  - SecurityManager test failing the build
    
    Change-Id: I8ff3be7cdc2a1ebf2b3c8b55ac4199bd849865c9
    Issue-ID: SDC-2256
    Signed-off-by: kooper <sergey.sachkov@est.tech>
    
1 file changed