Update git submodules

* Update docs/submodules/dmaap/datarouter.git from branch 'elalto'
  to 2dfca3dc2f06f4e6319094bb006eff090178a8f1
  - New DR AAF certs for elalto branch
    
    Signed-off-by: efiacor <fiachra.corcoran@est.tech>
    Change-Id: I8459b64627eb79de37086dc061cf07e6dbac345f
    Issue-ID: DMAAP-1421
    
1 file changed