cpu: o3: corrects base FP and CC register index in removeThread() (transplanted from 5914229e6b16931761b35f6512a5a0323fcd9dd2)
cpu: o3: corrects base FP and CC register index in removeThread()
(transplanted from 5914229e6b16931761b35f6512a5a0323fcd9dd2)

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