fix typos in the yaml file

Change-Id: I15157d7766c0e46a0f890c0097b01a03d5972ced
diff --git a/deployment-configs/dt-berlin-pod-multi-olt-DT.yaml b/deployment-configs/dt-berlin-pod-multi-olt-DT.yaml
index dc6a23c..78b28b5 100644
--- a/deployment-configs/dt-berlin-pod-multi-olt-DT.yaml
+++ b/deployment-configs/dt-berlin-pod-multi-olt-DT.yaml
@@ -110,7 +110,7 @@
         c_tag: 7
         s_tag: 33
         power_switch_port: 4
-       -
+      -
         ip: 10.34.90.42
         user: community
         pass: admin