Add 5G-NB-IoT Board + Arduino Core Support #204

Job	Run time
build (ubuntu-latest, examples/arduino-external-libs)	1m 38s
build (ubuntu-latest, examples/arduino-web-thing-led)	53s
build (ubuntu-latest, examples/arduino-blink)	2m 5s
build (windows-latest, examples/arduino-blink)	4m 45s
build (ubuntu-latest, examples/zephyr-subsys-logger)	2m 29s
build (ubuntu-latest, examples/zephyr-blink)	2m 26s
build (ubuntu-latest, examples/zephyr-drivers-lcd-hd44780)	2m 15s
build (windows-latest, examples/arduino-external-libs)	3m 28s
build (windows-latest, examples/arduino-internal-libs)	4m 1s
build (windows-latest, examples/arduino-web-thing-led)	1m 47s
build (windows-latest, examples/zephyr-blink)	5m 59s
build (macos-13, examples/arduino-external-libs)	2m 57s
build (macos-13, examples/arduino-web-thing-led)	1m 3s
build (ubuntu-latest, examples/arduino-internal-libs)	1m 34s
build (windows-latest, examples/zephyr-drivers-lcd-hd44780)	4m 16s
build (windows-latest, examples/zephyr-subsys-logger)	5m 38s
build (macos-13, examples/zephyr-drivers-lcd-hd44780)	3m 23s
build (macos-13, examples/arduino-blink)	3m 55s
build (macos-13, examples/zephyr-blink)	3m 28s
build (macos-13, examples/zephyr-subsys-logger)	3m 24s
build (macos-13, examples/arduino-internal-libs)	3m 16s
	1h 4m 40s

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