Update git submodules

* Update docs/submodules/dmaap/datarouter.git from branch 'master'
  to 52c5c5ab9ba33755e26f06f41de608f825866a53
  - Merge "Remove major and minor code smells in dr-node"
  - Remove major and minor code smells in dr-node
    
    Change-Id: I8c408472050adfa2889093e40d294bf542974a80
    Issue-ID: DMAAP-1195
    Signed-off-by: econwar <conor.ward@est.tech>
    
1 file changed