feat: simplify board and port handling #3469

Job	Run time
run-determination	1s
build (windows-2019)	40m 24s
build (ubuntu-20.04)	12m 43s
build (macos-latest)	36m 46s
changelog	14s
Linux_X86-64_zip artifact	1m 55s
Linux_X86-64_app_image artifact	2m 7s
macOS_dmg artifact	2m 10s
macOS_zip artifact	1m 57s
Windows_X86-64_interactive_installer artifact	1m 37s
Windows_X86-64_MSI artifact	1m 38s
Windows_X86-64_zip artifact	2m 3s
release	0s
publish	0s
clean	3s
	1h 43m 38s

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