Add SparkFun IoT Node LoRaWAN #2618

Job	Run time
Build PlatformIO Examples	3m 18s
Build 0	7m 51s
Build 1	7m 28s
Mac (macOS-13)	3m 24s
Build 2	7m 55s
Build RP2350 0	7m 7s
Spelling, Style, Boards, Package	2m 21s
Mac (macOS-14)	3m 3s
Build 3	8m 9s
Build RP2350 1	7m 10s
Build 4	8m 7s
Build RP2350 2	7m 36s
Build RP2350-RISCV 0	6m 40s
Build TinyUSB Examples	4m 1s
Build RP2350-RISCV 1	7m 33s
Build 5	8m 7s
Build RP2350-RISCV 2	7m 10s
Build Every Variant 0	7m 28s
Build RP2350 3	6m 57s
Build Every Variant 1	7m 1s
Build RP2350 4	8m 26s
Windows	3m 40s
Build RP2350-RISCV 3	6m 45s
Build RP2350 5	7m 32s
Build RP2350-RISCV 4	8m 3s
Build RP2350-RISCV 5	7m 29s
	2h 50m 21s

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