RFR: 8367478: Improve UseAVX setting and add cpu descriptions for zhaoxin processors [v4]

[Vic Wang]

> Here is the patch that improving the UseAVX setting and add cpu descriptions for zhaoxin processors.
> Can you help to review this patch?
> Thank you!

Vic Wang has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright year to 2026 in src/hotspot/cpu/x86/vm_version_x86.cpp

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27241/files
  - new: https://git.openjdk.org/jdk/pull/27241/files/535af7ba..c169cc76

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27241&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27241&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27241.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27241/head:pull/27241

PR: https://git.openjdk.org/jdk/pull/27241