RFR: 8358634: RISC-V: Fix several broken documentation web-links

[Dingli Zhang]

On Thu, 5 Jun 2025 03:23:50 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hi all,
>> Please take a look and review this PR, thanks!
>> 
>> Several RISC-V related documentation web-links are broken.
>> This PR updates the web-links.
>
> Looks good and trivial. Thanks1

@RealFYang Thanks for the review.

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PR Comment: https://git.openjdk.org/jdk/pull/25652#issuecomment-2943001575