Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 48478b9531fb2901c392ce1142f9443b5d805148
  - Merge "Fix VnfcInstanceGroupCustomization id type"
  - Fix VnfcInstanceGroupCustomization id type
    
    Fix VnfcInstanceGroupCustomization id type
    
    Change-Id: I0282d7ead13228fe69e9641a9c356fd5b363a263
    Issue-ID: SO-1776
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
1 file changed