mem-ruby: Use check_on_cache_probe to protect locked lines from eviction

mem-ruby: Use check_on_cache_probe to protect locked lines from eviction

This change uses check_on_cache_probe statement to check if the cacheline
subject to eviction is locked in MESI Two Level. Other protocols should
be updated accordingly.

Signed-off-by: Pouya Fotouhi <pfotouhi@ucdavis.edu>
Change-Id: Idcdbc8ee528eb5e4e2f8d56a268a3a92eadd95b1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/16809
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>