RFR: 8305174: disable dtrace for s390x builds

[Jaikiran Pai]

On Wed, 29 Mar 2023 13:20:00 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> @MBaesken , @erikj79 , @RealLucy Please review. 🙂
> 
> Probably I'm missing something, But I'm a bit confused that string `xs390x` is not recognised as a valid CPU here. 

Hello Amit, I don't have prior knowledge of these build files, but from what I can see both `s390` and `s390x` get mapped to the same CPU_ARCH here https://github.com/openjdk/jdk/blob/master/make/autoconf/platform.m4#L141 (notice the `VAR_CPU_ARCH` being set for those)

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PR Comment: https://git.openjdk.org/jdk/pull/13228#issuecomment-1488621309