cpu: convert loop_predictor to new style stats

Change-Id: Ib0383fc6d5f884fd6c020bcd938eee2f802ad412
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33935
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed