[VOL-2778] Supporting required configuration for BBSim v1.0.0-dev

Change-Id: I4ce3b4f9731dda64c2e391a7945412633b9b77d5
diff --git a/configs/bbsim-sadis-att.yaml b/configs/bbsim-sadis-att.yaml
new file mode 100644
index 0000000..1eaa0c0
--- /dev/null
+++ b/configs/bbsim-sadis-att.yaml
@@ -0,0 +1,12 @@
+---
+servicesConfig:
+  workflow: att
+  services:
+    - name: hsia
+      c_tag: 900
+      c_tag_allocation: unique
+      s_tag: ":TAG:"
+      s_tag_allocation: shared
+      needs_eapol: true
+      needs_dhcp: true
+      tp_id: 64