RFR: 8329083: RISC-V: Update profiles supported on riscv [v2]

[Hamlin Li]

On Sat, 6 Apr 2024 03:12:35 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove optional extensions
>
> Updated change LGTM. Thanks.

Thanks @RealFYang for your quick response and review!

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PR Comment: https://git.openjdk.org/jdk/pull/18599#issuecomment-2040988763