RFR: 8284903: Fix typos in hotspot [v3]

[Magnus Ihse Bursie]

> 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...

Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright headers

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8260/files
  - new: https://git.openjdk.java.net/jdk/pull/8260/files/28bb365f..4fc36d6b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8260&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8260&range=01-02

  Stats: 287 lines in 287 files changed: 0 ins; 0 del; 287 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8260.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8260/head:pull/8260

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