Add cloud name for VCA

This will add an additional VCA configuration option
which is needed for multicloud controller support in
N2VC. This will need no changes in the installer and
will default to the same values as before.

Change-Id: Ibccc2b102f056674117b6d98c43a3c357a78f40f
Signed-off-by: Dominik Fleischmann <dominik.fleischmann@canonical.com>
diff --git a/Dockerfile.fromdeb b/Dockerfile.fromdeb
index d49995a..95b0ff3 100644
--- a/Dockerfile.fromdeb
+++ b/Dockerfile.fromdeb
@@ -63,6 +63,7 @@
 ENV OSMLCM_VCA_PORT:       17070
 ENV OSMLCM_VCA_USER:       admin
 ENV OSMLCM_VCA_SECRET:     secret
+ENV OSMLCM_VCA_CLOUD:      localhost
 
 # database
 ENV OSMLCM_DATABASE_DRIVER mongo