Fix edgecore deployment tosca files

Change-Id: I989e07262be51bb0b446e5126df1e8f5680140a6
diff --git a/tosca-configs/att-workflow/edgecore-pod1-fabric.yaml b/tosca-configs/att-workflow/edgecore-pod1-fabric.yaml
index 76aadbf..fefcc3c 100755
--- a/tosca-configs/att-workflow/edgecore-pod1-fabric.yaml
+++ b/tosca-configs/att-workflow/edgecore-pod1-fabric.yaml
@@ -98,10 +98,10 @@
             node: service#att
             relationship: tosca.relationships.BelongsToOne
 
-    ISKT71e810C0:
+    ISKT71e810c0:
       type: tosca.nodes.AttWorkflowDriverWhiteListEntry
       properties:
-        serial_number: ISKT71e810C0
+        serial_number: ISKT71e810c0
         pon_port_id: 536870912
         device_id: of:00000000c0a863b6
       requirements: