This change removes the call to get_runtime_isa(), as it has been deprecated. Change-Id: Ie1b0b5fb456fd8ed504a531841fe4ea8e211502c Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/66612 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Bobby Bruce <bbruce@ucdavis.edu>