Solved the problem by the following procedures:
1) Download and extract the arch package 
https://aur.archlinux.org/packages/xf/xf86-input-evdev-trackpoint/xf86-input-evdev-trackpoint.tar.gz
2) Download the source packages of xserver-xorg-input-synaptics_1.7.4 and 
xserver-xorg-input-evdev_2.8.2 from the debian unstable branch

Place all three packages (extracted) in the same folder (<folder>) such
that the three packages reside in <folder>/arch, <folder>/synaptics and
<folder>/evdev (rename the folders where necessary).

Run the following script:

#!/bin/bash
cp 
synaptics/src/{eventcomm.c,eventcomm.h,properties.c,synaptics.c,synapticsstr.h,synproto.c,synproto.h}
 evdev/src
cp synaptics/include/synaptics-properties.h evdev/src
cp arch/*.patch evdev
cd evdev
patch -p1 -i 0001-implement-trackpoint-wheel-emulation.patch
patch -p1 -i 0008-disable-clickpad_guess_clickfingers.patch
patch -p1 -i 0010-add-synatics-files-into-Makefile.am.patch
dpkg-buildpackage
cd ..
sudo dpkg -i xserver-xorg-input-evdev_*.deb
sudo mkdir /etc/X11/xorg.conf.d/
sudo cp arch/90-evdev-trackpoint.conf /etc/X11/xorg.conf.d

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-input-evdev in Ubuntu.
https://bugs.launchpad.net/bugs/1246683

Title:
  Middle button does not work for scrolling

Status in “xserver-xorg-input-evdev” package in Ubuntu:
  Incomplete

Bug description:
  With my Lenovo T440s laptop the Trackpad/Trackpoint laptop scrolling
  does not work when pressing middle button + moving the Trackpoint.
  evdev seems to be set correctly ( http://paste.ubuntuusers.de/416732/
  ). Middle button itself works fine for middle clicks just no
  scrolling.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
  Uname: Linux 3.12.0-031200rc7-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Thu Oct 31 12:36:14 2013
  InstallationDate: Installed on 2013-10-17 (13 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
  MarkForUpload: True
  SourcePackage: xserver-xorg-input-evdev
  UpgradeStatus: No upgrade log present (probably fresh install)

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