Update git submodules

* Update docs/submodules/ccsdk/platform/plugins.git from branch 'master'
  to ff7e3007636a327dddecc129dd4b3a7062776aed
  - Automation adds index.rst
    
    Issue-ID: CIMAN-376
    
    Change-Id: I5d2c1d7a3f896150135a6c2631395d8b209b97e4
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>
    
1 file changed