Adding passowrd for ADTRAN OLT

Change-Id: I939e2f6b9a60da9cef01183651fd0e61c624cee5
(cherry picked from commit ad3d19ed9997a8e21fc1416a572f65f3fb970f3c)
diff --git a/deployment-configs/berlin-community-pod-1-gpon-adtran-DT.yaml b/deployment-configs/berlin-community-pod-1-gpon-adtran-DT.yaml
index 16b42fc..3a0e712 100644
--- a/deployment-configs/berlin-community-pod-1-gpon-adtran-DT.yaml
+++ b/deployment-configs/berlin-community-pod-1-gpon-adtran-DT.yaml
@@ -56,6 +56,7 @@
       serial: LBADTN2038AD991
       type: adtranolt
       user: hsvroot
+      pass: BOSCO
       board_technology: GPON
  
   hosts: