K8s manifest files updated to use docker tag 7 instead of latest

Change-Id: I5cbec8d6c4aed6612121391254f9f7e4d8fa0e6c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/docker/osm_pods/lcm.yaml b/installers/docker/osm_pods/lcm.yaml
index f69fba3..c74143f 100644
--- a/installers/docker/osm_pods/lcm.yaml
+++ b/installers/docker/osm_pods/lcm.yaml
@@ -36,7 +36,7 @@
          command: ["sh", "-c", "until (nc -zvw1 kafka 9092 && nc -zvw1 ro 9090 && nc -zvw1 mongo 27017 ); do sleep 3; done; exit 0"]
       containers:
       - name: lcm
-        image: opensourcemano/lcm:latest
+        image: opensourcemano/lcm:7
         env:
         - name: OSMLCM_RO_HOST
           value: ro