Update git submodules

* Update docs/submodules/so/libs.git from branch 'master'
  to e0b745eb060db35bb3da1a24ee778b622da9295b
  - Addressed the error in retrieving subnets
    
    Addressed the error in retrieving subnets
    with SO Libs repository openstack SDK project
    
    Issue-ID: SO-2361
    Signed-off-by: Ramesh Parthasarathy(rp6768)<ramesh.parthasarathy@att.com>
    Change-Id: If54a8097ca16a266b075d3e5bfcf09157947087d
    
1 file changed