cpu: Use PCStateBase in the branch predictors. Use PCStateBase instead of TheISA::PCState in the branch predictors. Change-Id: I0b0867bc09b6191a54d7658813c0b9656c436811 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52055 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Earl Ou <shunhsingou@google.com> Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>