RFR: 8362524: Fix confusing but harmless typos in x86 CPU Features [v2]

[duke]

On Fri, 18 Jul 2025 06:32:35 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

>> The name `DECLARE_CPU_FEATURE_FLAG` is used in all other cases. In `vmStructs_jvmci.cpp` there was no matching `#define`.
>
> Jan Kratochvil has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Call it DECLARE_CPU_FEATURE_NAME

@jankratochvil 
Your change (at version eb8a5261346bcd0e78e47f455fe8d2ef36911671) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/26371#issuecomment-3089902470