tests: Adding MultiChannelMemory to x86-boot-tests

This change adds modules from multi_channel.py to full system
tests for x86.

Change-Id: I585a381fa23c6595051ea917c080228e25e0a1a9
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53243
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed