RFR: 8298472: AArch64: Detect Ampere-1 and Ampere-1A CPUs and set default options [v2]

[Patrick Zhang]

On Fri, 6 Jan 2023 09:24:55 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Please update the title to
> 
> 8298427: AArch64: Detect Ampere-1 and Ampere-1A CPUs and set default options
> 
> Reason: AArch64 reviewers look for AArch64-related bugs. They'll see your PR sooner.

Thank you @theRealAph, I updated the title to `8298472: AArch64: Detect Ampere-1 and Ampere-1A CPUs and set default`
Previous 8298427 was a wrong link (my fault), [JDK-8298472](https://bugs.openjdk.org/browse/JDK-8298472) is the right one.

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PR: https://git.openjdk.org/jdk/pull/11878