[VOL-3058][VOL-3059][VOL-3615] Multi-OLT framework changes and updated ATT, DT, TT existing tests accordingly

Change-Id: Iad0a6d4fba3c2bf647b8a844413e8d16405cd121
diff --git a/tests/data/bbsim-kind-8x2.yaml b/tests/data/bbsim-kind-8x2.yaml
index 84e6a1c..cdd217c 100644
--- a/tests/data/bbsim-kind-8x2.yaml
+++ b/tests/data/bbsim-kind-8x2.yaml
@@ -36,21 +36,37 @@
 hosts:
   src:
     - onu: 'BBSM00000001'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000002'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000101'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000102'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000201'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000202'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000301'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000302'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000401'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000402'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000501'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000502'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000601'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000602'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000701'
+      olt: 'BBSIM_OLT_0'
     - onu: 'BBSM00000702'
+      olt: 'BBSIM_OLT_0'
 
   dst:
     - ip: null