core: fix wrong upgrade script name

This script is in the content of 3.3 and was introduced as 3.2
This patch moves this script to 3.3 and puts a dummy script in its place
to keep the numbering right.

Change-Id: Ibff8bbecd1da6e22261c01ef7c772c08c22fd0b6
Signed-off-by: Eli Mesika <emesika@redhat.com>