Yan Liu birdied the final three holes in chilly conditions Thursday afternoon for a 9-under 63 and a share of the first-round lead with Ashleigh Buhai in the LPGA Tour’s JM Eagle LA Championship. With the temperature barely reaching 60 degrees (15.5 degrees Celsius) at El Caballero Country Club, Liu overcame an opening bogey to play the next nine in 7 under – making a 6-foot eagle putt on the par-5 16th and five birdies. “I got bogey and next hole I tell myself, `You have to be calm and you have to be confident and be brave. You can…