xed_operand_values_get_atomic(): add ATOMIC attribute conditionally.
xed_operand_values_get_atomic(): add ATOMIC attribute conditionally.

(cherry picked from commit ee19e28f76f73f6191cb49876c29c0e3f62186c2)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed