Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to b98475a20856e2a75f7c31a1b49920b3e0c7c38d
  - Documentation for DistributeTraffic LCMs
    
    Documentation for Distribute Traffic and
    Distribute Traffic Check LCMs
    
    Change-Id: I8dc6ec3110c711857d8788f01edfcca87a887317
    Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com>
    Issue-ID: APPC-1447
    (cherry picked from commit 284d93a4770224956138eec224479fef9d356fff)
    
1 file changed