[CORD-3191] Remove old pmc-olt ref. Replace with voltha

Change-Id: Icb2c7a5ee4ad4bfc1ae4162598a203e70c86bd42
diff --git a/config/netcfg.json b/config/netcfg.json
index 245c263..69a3b9e 100644
--- a/config/netcfg.json
+++ b/config/netcfg.json
@@ -33,7 +33,7 @@
   "devices": {
     "of:0001000000000001": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -42,7 +42,7 @@
     },
     "of:0001000000000002": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -51,7 +51,7 @@
     },
     "of:0001000000000003": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -60,7 +60,7 @@
     },
     "of:0001000000000004": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -69,7 +69,7 @@
     },
     "of:0001000000000005": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -78,7 +78,7 @@
     },
     "of:0001000000000006": {
       "basic": {
-        "driver": "pmc-olt"
+        "driver": "voltha"
       },
       "accessDevice": {
         "uplink": "0",
@@ -86,7 +86,7 @@
       }
     }
   },
-  "ports" : { 
+  "ports" : {
 	"of:0000000000000001/2" : {
            "interfaces" : [
                {