+ Simplify headings to "supported platforms" and "supported devices"
+ Remove redundant "Architecture Support" from titles
+ Remove removed i386, armv6 platform sections for FreeBSD 15.0
+ Name architectures accurately!
+ Add support tier for each architecture!
+ Add links to architecture project pages!
+ Alphabetize platform sections
+ Normalize Zedboard listing
+ Fix POWER listing with f.o/platforms and this years mailing list

Discussed with: emaste, dch, antranig vartanian, michael dexter

View this draft rendered in the FreeBSD 15.0 HW relnotes at:
https://freebsd.org/~ziaee/tmp/hardware-draft.html

When this is done I will only merge to the template, and delete the changes to FreeBSD 15 hardware notes. The changes are only in the FreeBSD 15 hardware notes so that I can render them.