Updated configs to remove vendor name from device ID

Also running demo pod with two cavium spines

Change-Id: I3a220b0025f1eb5e4e80a7a7ae6737345b3e98ab
diff --git a/p4-pod-configs/dev-pod/sr-conf-cavium.json b/p4-pod-configs/dev-pod/sr-conf-cavium.json
index 91591a8..55eb7b0 100644
--- a/p4-pod-configs/dev-pod/sr-conf-cavium.json
+++ b/p4-pod-configs/dev-pod/sr-conf-cavium.json
@@ -1,6 +1,6 @@
 {
   "devices": {
-    "device:cavium:spine1": {
+    "device:spine1": {
       "segmentrouting": {
         "name": "spine1",
         "ipv4NodeSid": 226,