Change OLT-to-switch port from 7 to 10 on Flex POD

Change-Id: I342f1ee14dfe926e4196f1c5de2625579a42daff
diff --git a/tosca-configs/att-workflow/flex-ocp-cord-voltha-master-fabric.yaml b/tosca-configs/att-workflow/flex-ocp-cord-voltha-master-fabric.yaml
index 66bbe4d..af051bd 100755
--- a/tosca-configs/att-workflow/flex-ocp-cord-voltha-master-fabric.yaml
+++ b/tosca-configs/att-workflow/flex-ocp-cord-voltha-master-fabric.yaml
@@ -46,7 +46,7 @@
     port#olt_port:
       type: tosca.nodes.SwitchPort
       properties:
-        portId: 7
+        portId: 10
         host_learning: false
       requirements:
         - switch: