RFR: 8293770: RISC-V: Reuse runtime call trampolines [v2]

[Dingli Zhang]

On Thu, 15 Sep 2022 06:36:58 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Dingli Zhang has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available.
>
> Copyright of codeBuffer_riscv.hpp should be update to 2022.

@feilongjiang @RealFYang @shipilev Thanks for the review.

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PR: https://git.openjdk.org/jdk/pull/10260