[riscv-port] RFR: 8278895: riscv: Rename Riscv64 to RISCV64 [v3]

[Fei Yang]

On Fri, 17 Dec 2021 07:46:41 GMT, Yanhong Zhu <yzhu at openjdk.org> wrote:

>> Rename Riscv64 to RISCV64 for consistence.
>> 
>> The related tests passed on QEMU:
>> 
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/TestUseSHA1IntrinsicsOptionOnUnsupportedCPU.java
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/TestUseSHA256IntrinsicsOptionOnUnsupportedCPU.java
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/TestUseSHA512IntrinsicsOptionOnUnsupportedCPU.java
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/TestUseSHAOptionOnUnsupportedCPU.java
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/testcases/GenericTestCaseForOtherCPU.java
>> - test/hotspot/jtreg/compiler/intrinsics/sha/cli/testcases/GenericTestCaseForUnsupportedRISCV64CPU.java
>> - test/hotspot/jtreg/runtime/NMT/CheckForProperDetailStackTrace.java
>> - test/hotspot/jtreg/runtime/ReservedStack/ReservedStackTest.java
>> - test/jdk/jdk/jfr/event/os/TestCPUInformation.java
>> - test/lib-test/jdk/test/lib/TestMutuallyExclusivePlatformPredicates.java
>
> Yanhong Zhu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add space

Looks good. Thanks.

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Marked as reviewed by fyang (Lead).

PR: https://git.openjdk.java.net/riscv-port/pull/33