tests: Adding MultiChannelMemory to riscv-boot

This change adds MultiChannelMemory to the tests for full system
risc-v.

Change-Id: I3e9b6f7ac539c24ca9694c1c49afa09d0cecca2f
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53303
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed