Feature: re-enable non-halting RTT on a few targets #2957

Job	Run time
build-msvc (meson, windows-2022)	1m 7s
build-linux (jammy, 96b_carbon)	35s
build-linux (jammy, blackpill-f401cc)	31s
build-macos (macos-13)	36s
build-linux (jammy, blackpill-f401ce)	36s
build-macos (macos-14)	34s
build-linux (jammy, blackpill-f411ce)	37s
build-linux (jammy, bluepill)	32s
build-macos (macos-latest)	26s
build-macos (macos-13, gcc@11)	1m 22s
build-linux (jammy, ctxlink)	38s
build-macos (macos-13, gcc@12)	1m 3s
build-linux (jammy, f072)	37s
build-mingw (windows-2022, mingw64)	1m 52s
build-macos (macos-13, gcc@13)	1m 6s
build-linux (jammy, f3)	40s
build-mingw (windows-2022, ucrt64)	1m 48s
build-macos (macos-13, gcc@14)	1m 10s
build-linux (jammy, f4discovery)	55s
build-mingw (windows-2022, clang64)	1m 55s
build-macos (macos-14, gcc@11)	44s
build-linux (jammy, hydrabus)	32s
build-macos (macos-14, gcc@12)	32s
size-diff	50s
build-linux (jammy, launchpad-icdi)	39s
build-macos (macos-14, gcc@13)	37s
build-linux (jammy, native)	32s
build-macos (macos-14, gcc@14)	36s
build-linux (jammy, native-uncommon)	31s
build-linux (jammy, native-st-clones)	36s
build-linux (jammy, native-riscv)	35s
build-linux (jammy, native-remote)	29s
build-linux (jammy, stlink)	53s
build-linux (jammy, stlinkv3)	38s
build-linux (jammy, swlink)	34s
	27m 58s

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