git: openjdk/jdk: master: 8354572: Turn off AlwaysMergeDMB for Ampere CPU by default

[SendaoYan]

Changeset: 128f2d1c
Branch: master
Author:    Liming Liu <lliu at openjdk.org>
Committer: SendaoYan <syan at openjdk.org>
Date:      2025-04-19 10:02:13 +0000
URL:       https://git.openjdk.org/jdk/commit/128f2d1cadae3cf91e4c590e6dabe2086737b7dd

8354572: Turn off AlwaysMergeDMB for Ampere CPU by default

Reviewed-by: shade

! src/hotspot/cpu/aarch64/vm_version_aarch64.cpp