arch-arm: Always use AArch64 version of HCR/SCR

We are slowly replacing AArch32 code in favour of AArch64.

Change-Id: I2857a198a0169e882e5f997debc76808244ab42d
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/64911
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
9 files changed