learning_gem5: Replace master/slave terminology from learning_gem5 scripts

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I6c30d18155acb151d732ae7e35e29f6facad78fd
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52864
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
3 files changed