x86: Expose the interrupt vector in faults
x86: Expose the interrupt vector in faults

This patch allows a hardware virtualized CPU to discover which interrupt
to deliver to the guest.

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