Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 04e2d215049387e13b8999a3f600e47d1a3bb779
  - Upgrade netconf-pnp-simulator tag to 2.6.2 for netconf-pnp-pmsh
    
    Tag 2.6.1 is no longer available.
    
    Change-Id: I5a2cb51d21b4c6d75aff387e87976ede184a92b2
    Issue-ID: INT-1508
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
    
1 file changed