arch-arm: Using new "raw" memhelpers

JIRA: https://gem5.atlassian.net/browse/GEM5-196

Change-Id: Ie5ea0fc845a8f6d77a5723bacaff25ba04562f9c
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23528
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
5 files changed