[riscv-port] RFR: 8277391: riscv: Remove the USE_LIBRARY_BASED_TLS_ONLY macro to use tls instead of pthread_getspecific [v3]

[zhengxiaolinX]

On Tue, 23 Nov 2021 09:08:59 GMT, zhengxiaolinX <duke at openjdk.java.net> wrote:

>> Hi team,
>> 
>> This patch removes the USE_LIBRARY_BASED_TLS_ONLY macro to use tls instead of pthread_getspecific. [Original patch](https://github.com/riscv-collab/riscv-openjdk/pull/4)
>> 
>> Thanks,
>> Xiaolin
>
> zhengxiaolinX has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR.

Sorry for that typo -

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PR: https://git.openjdk.java.net/riscv-port/pull/7