uefi: Make PciIoAddress orderable and hashable

[seijikun]

Very useful for pci bus scan/iteration

Checklist

• Sensible git history (for example, squash "typo" or "fix" commits). See the Rewriting History guide for help.
• Update the changelog (if necessary)

[seijikun]

Hm. I think the CI failure is not related to my commit.

[phip1611]

CI failures should be fixed in ~1h when all open PRs in the merge queue have been merged

[phip1611]

thanks!