Root Motorola Atrix 2 ME 865 topic

Hi i am trying to root my motorla atrix 2 ...
model ME865
version 4.0.4
Firmware GAS_ASIA_EDISONNHKTWNGNC_PO12
Build number: 6.7.2_GC-220-EDS-3

need some help please ther is some way to do this ???