Update git submodules

* Update docs/submodules/dcaegen2.git from branch 'master'
  to 3e474befe5763c12c8f5086b64fc559587c9743c
  - Correct RTD rendering error for DCAE component BBS-ep
    
    Change-Id: I2113de4aef6560ef1207afb0dce70d997bc9146c
    Issue-ID: DOC-444
    Signed-off-by: Stavros Kanarakis <stavros.kanarakis@nokia.com>
    
1 file changed