Allow language interpreter to run on z/OS and s390x architecture

[kiwi1969]

Allow the language interpreter to function for z/OS platform ie osname="z/OS" arch="s390x"
I am guessing that will also allow osname="linux" arch="s390x" also

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[tzezula]

Changes in this pull request look good to me.

[tzezula]

I’m importing this pull request into the Graal internal repository by cherry-picking your commits. You can track the corresponding internal PR via the GitHub mirror: #11390.

In the meantime, you can use the following system properties as a workaround for the issue:

System.setProperty("truffle.UseFallbackRuntime", "true");
System.setProperty("polyglot.engine.userResourceCache", "<path to cache folder>");
System.setProperty("truffle.attach.library", "");