mem-ruby: Support for unaddressed mem requests in the Sequencer

JIRA: https://gem5.atlassian.net/browse/GEM5-1097

Change-Id: I66f7779f447d56e72e1b1f1ca2b84f1b50057542
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57294
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