By Isla Binnie and Christoph Steitz MADRID/FRANKFURT (Reuters) – Wind turbine maker Siemens Gamesa is considering around 2,500 job cuts, or about 9% of its workforce, as part of efforts to recover from losses that have prompted its main shareholder to launch a takeover, two people familiar with the matter told Reuters. The cuts would reduce a workforce of some 27,000 people, based on figures on the company’s website. It was not immediately clear which divisions or regions would be affected. No final decision has been made and the final tally could change, the people said. Producing masts and b…