Update git submodules

* Update docs/submodules/dmaap/datarouter.git from branch 'elalto'
  to 628117ea6782f32869e6fd29ebec932c1ad02d14
  - Releasing with new AAF certs for DR
    
    Signed-off-by: efiacor <fiachra.corcoran@est.tech>
    Change-Id: Iffadb55ad7d1945ba64d12ff5ec9bc154f2dd630
    Issue-ID: DMAAP-1421
    
1 file changed