Add switch roles to POD deployment config

Change-Id: Ib9934306ea13f3924e5a7c8e0055f7566f35422f
(cherry picked from commit b25e3b56434cc3880a0878cd7330c3cd42c19edb)
diff --git a/deployment-configs/flex-pod1.yml b/deployment-configs/flex-pod1.yml
index 235f799..a7e0adf 100644
--- a/deployment-configs/flex-pod1.yml
+++ b/deployment-configs/flex-pod1.yml
@@ -59,18 +59,22 @@
     ip: '10.6.0.101'
     user: 'root'
     pass: 'onl'
+    role: 'spine-1'
   -
     mac: 'cc:37:ab:b6:b5:64'
     ip: '10.6.0.102'
     user: 'root'
     pass: 'onl'
+    role: 'leaf-2'
   -
     mac: 'cc:37:ab:d9:37:69'
     ip: '10.6.0.103'
     user: 'root'
     pass: 'onl'
+    role: 'leaf-1'
   -
     mac: 'cc:37:ab:5b:6d:a8'
     ip: '10.6.0.104'
     user: 'root'
     pass: 'onl'
+    role: 'spine-2'