Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to fac6813d763bd635d66fd2e213330bc2e6501b77
  - Fix Authorization Failed issue in SDWAN VPN activate
    
    Fixed vpn-activate DG by calling sdwan-get-tenant-auth DG to fix Authorization issue
    
    Change-Id: I0ced9b9a1630baaffdee7402e609de9c64f97ed4
    Issue-ID: SDNC-659
    Signed-off-by: Prakash.E <prakash.e@huawei.com>
    
1 file changed