RFR: 8284903: Fix typos in hotspot

[Lutz Schmidt]

On Fri, 15 Apr 2022 07:40:04 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> I ran `codespell` on hotspot, and accepted those changes where it indeed discovered real typos. 
> 
> You'd be surprised over the many implementions of instrinsics and other intructions accross all archtectures I've encounted, so for the preceding reason it's neccesery to sucessfully seach for exisiting typos...

This is a partial approval for 
 - cpu/ppc
 - cpu/s390
 - os/aix
 - os_cpu/aix_ppc
 - os_cpu/linux_ppc
 - os_cpu/linux_s390

Thank you for completing this tedious job!

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Marked as reviewed by lucy (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8260