Update git submodules

* Update docs/submodules/modeling/etsicatalog.git from branch 'master'
  to 68d6eee8cf3b19db1f5a7b3af1151661e8d2f13c
  - fix dir in instance_init.sh
    
    Change-Id: Ia5e956ad9371788bd495b7fd4581ba9fa66f6531
    Issue-ID: MODELING-235
    Signed-off-by: dyh <dengyuanhong@chinamobile.com>
    
1 file changed