Add access to required IOKit property in GPUP on macOS.
<rdar://76403140>
Created attachment 449685 [details] Patch
Comment on attachment 449685 [details] Patch r=me.
Comment on attachment 449685 [details] Patch Thanks for reviewing!
Committed r288375 (246275@main): <https://commits.webkit.org/246275@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 449685 [details].