By Piya Sinha-Roy INDIO, California (Reuters) - California rockers Red Hot Chili Peppers closed out the first weekend of the Coachella Valley Music and Arts Festival on Sunday, amid high winds that swept across the desert and prompted attendees to don extra layers. The Chili Peppers, formed by Anthony Kiedis, Chad Smith, Flea and Josh Klinghoffer in 1983 in Los Angeles, showcased a catalogue of songs from their last four studio albums. ...