arm64/cpufeature: Add missing id_aa64mmfr4 feature reg update

Add missing id_aa64mmfr4 feature register check and update in
update_cpu_features(). Update the taint status as well.

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20250329034409.21354-2-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Yicong Yang 2025-03-29 11:44:07 +08:00 • committed by Will Deacon
commit 35382a3646