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>