arch-arm: Check implemented features through the release object

This is faster than going through the ISA and reading the corresponding
ID register value

Change-Id: Iec247167f3b99dcabf2908fceb0c2365c37ba017
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59470
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
3 files changed