By Martin Baccardax Pensando, founded by former executives from Cisco, will add to AMD’s ongoing push into the lucrative data center chip market. Advanced Micro Devices (AMD) – Get Advanced Micro Devices, Inc. Report said Monday it has agreed to a $1.9 billion takeover of enterprise services start-up group Pensando as the chipmaker pushes deeper into the lucrative data center market. AMD will pay $1.9 billion — less adjustments for working capital — for the Milpitas, California-based group, which includes blue-chip clients such as Goldman Sachs (GS) – Get Goldman Sachs Group, Inc. Report, IB…