Add support for nRF54L #2861

Job	Run time
build-macos (macos-13)	34s
build-macos (macos-14)	20s
build-macos (macos-13, gcc@11)	1m 16s
build-mingw (windows-2022, mingw64)	1m 43s
build-macos (macos-latest)	21s
build-macos (macos-13, gcc@12)	1m 7s
build-linux (jammy, 96b_carbon)	35s
build-mingw (windows-2022, ucrt64)	1m 50s
build-linux (jammy, blackpill-f401cc)	37s
build-mingw (windows-2022, clang64)	1m 55s
build-macos (macos-13, gcc@13)	1m 11s
build-msvc (meson, windows-2022)	1m 6s
build-linux (jammy, blackpill-f401ce)	34s
build-macos (macos-13, gcc@14)	1m 6s
build-linux (jammy, blackpill-f411ce)	31s
build-macos (macos-14, gcc@11)	53s
size-diff	47s
build-linux (jammy, bluepill)	40s
build-macos (macos-14, gcc@12)	37s
build-linux (jammy, ctxlink)	42s
build-macos (macos-14, gcc@13)	35s
build-linux (jammy, f072)	53s
build-macos (macos-14, gcc@14)	51s
build-linux (jammy, f3)	38s
build-linux (jammy, f4discovery)	45s
build-linux (jammy, hydrabus)	32s
build-linux (jammy, launchpad-icdi)	37s
build-linux (jammy, native)	48s
build-linux (jammy, native-uncommon)	45s
build-linux (jammy, native-st-clones)	40s
build-linux (jammy, native-riscv)	36s
build-linux (jammy, native-remote)	39s
build-linux (jammy, stlink)	39s
build-linux (jammy, stlinkv3)	40s
build-linux (jammy, swlink)	35s
	28m 38s

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