Changed location to locations in json files in topos

Change-Id: Iebe2ae9dfc7937e2199e4038488559c2fbc8014c
diff --git a/tools/test/topos/obeliskHostCheck.py b/tools/test/topos/obeliskHostCheck.py
index e928f89..988e2e5 100755
--- a/tools/test/topos/obeliskHostCheck.py
+++ b/tools/test/topos/obeliskHostCheck.py
@@ -60,7 +60,7 @@
                 mac = host.get( 'mac' )
                 assert mac, "mac field could not be found for this host object"
 
-                location = host.get( 'location' )
+                location = host.get( 'locations' )[ 0 ]  # Only looking for first interface
                 assert location, "location field could not be found for this host object"
 
                 # Trim the protocol identifier off deviceId