Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 8c06462b211d573926ee1101759d818f846ea7f5
  - Change identifier in database query
    
    Future release of MariaDB adds a keyword currently used as an
    identifier
    
    Issue-ID: APPC-1548
    Change-Id: I4ced052e6acb816797024f5581f14f5f969d357f
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
1 file changed