return back placement groups to ping-pong descriptors

Change-Id: Icc5df66b81a315f7189384de3e52155af96d1306
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>

descriptor-packages/vnfd/ping_vnf/src/ping_vnfd.yaml

@@ -38,12 +38,12 @@ vnfd:vnfd-catalog:
                 port: '18888'
             port: '18888'
             cp: ping_vnfd/cp0
-        # placement-groups:
-        # -   member-vdus:
-        #     -   member-vdu-ref: iovdu_0
-        #     name: Eris
-        #     requirement: Place this VM on the Kuiper belt object Eris
-        #     strategy: COLOCATION
+        placement-groups:
+        -   member-vdus:
+            -   member-vdu-ref: iovdu_0
+            name: Eris
+            requirement: Place this VM on the Kuiper belt object Eris
+            strategy: COLOCATION
         vdu:
         -   cloud-init-file: ping_cloud_init.cfg
             count: '1'

descriptor-packages/vnfd/pong_vnf/src/pong_vnfd.yaml

@@ -38,12 +38,12 @@ vnfd:vnfd-catalog:
                 port: '18889'
             port: '18889'
             cp: pong_vnfd/cp0
-        # placement-groups:
-        # -   member-vdus:
-        #     -   member-vdu-ref: iovdu_0
-        #     name: Weywot
-        #     requirement: Place this VM on the Kuiper belt object Weywot
-        #     strategy: COLOCATION
+        placement-groups:
+        -   member-vdus:
+            -   member-vdu-ref: iovdu_0
+            name: Weywot
+            requirement: Place this VM on the Kuiper belt object Weywot
+            strategy: COLOCATION
         vdu:
         -   cloud-init-file: pong_cloud_init.cfg
             count: '1'