Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to bb6a43aeadc50bc5e0780c894fc756e7ee95ecf3
  - Merge "take-1 for the NST selection function"
  - take-1 for the NST selection function
    
    Issue-ID: OPTFRA-675
    
    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
    Change-Id: Id48f33344c516f2711e24bce9f07adbd835eded0
    
1 file changed