Update git submodules

* Update docs/submodules/msb/discovery.git from branch 'master'
  to c592a9a408c9456ed507ffb4683b4b78afee8dd3
  - Merge "Update oparent version"
  - Update oparent version
    
    Update oparent version to 2.0.0 which supports
    global-jjb maven-stage job.
    
    Change-Id: Idc581fd8961bb0adec5026729b91dcb40dd14ab0
    Issue-ID: CIMAN-234
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    
1 file changed