X86: Use the npc as the pc when doing a nativetrace, not what M5 considers the pc.
X86: Use the npc as the pc when doing a nativetrace, not what M5 considers the pc.

andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin,andrewfu0325/gem5-aladdin