NEW YORK—Shirley Eikhard, the singer-songwriter who supplied songs for Cher, Emmylou Harris, Anne Murray, Chet Atkins, and found lasting fame penning Bonnie Raitt‘s Grammy-winning 1991 hit “Something to Talk About,” has died. She was 67. Eikhard died Thursday at Headwaters Health Care Centre in Orangeville, Ontario, due to complications from cancer, said publicist Eric Alper….