TT#3961 Switch deployment.sh to puppet2.mgm

Right now we are not ready to use CNAME here,
lets put correct DNS name here as manual input is
very annoying here during the boot.

Change-Id: Ibbf195752f46f95e3774793f3de25bb8b46ee7e7

deployment.sh

@@ -46,7 +46,7 @@ CE_EDITION=false
 CARRIER_EDITION=false
 NGCP_INSTALLER=false
 PUPPET=''
-PUPPET_SERVER=puppet.mgm.sipwise.com
+PUPPET_SERVER=puppet2.mgm.sipwise.com
 PUPPET_GIT_REPO=''
 PUPPET_GIT_BRANCH=master
 PUPPET_LOCAL_GIT="${TARGET}/tmp/puppet.git"