RFR: 8304915: Create jdk.internal.util.Architecture enum and apply [v9]

[Roger Riggs]

On Tue, 11 Apr 2023 19:33:28 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>>> > Would be great if you could support "os.arch = ppc64" for AIX and legacy linux, too.
>>> 
>>> Changing os.arch is out of scope for this PR. The best way for that would someone supporting ppc to develop and propose a PR.
>> 
>> It seems that you replied in the wrong place.
>
> Likely, I misunderstood the request.  Mapping ppc64 to PPC64 is easy enough.
> But currently, there is no direct support in the build/makefiles for ppc. See [OpenJDK supported platforms](https://wiki.openjdk.org/display/Build/Supported+Build+Platforms).
> For anything other than the most trivial and obvious, someone who can build ppc and test should propose the changes.

The naming of x86_64 was raised earlier and resolved to use X64.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13357#discussion_r1163242850