correction in pin assignment for Challenger RP2040 LTE #9249
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…gnment for MISO Signed-off-by: Andrew Mirsky <andrew@mirsky.net>
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the board's v0.2 revision moved SDI (MISO) from GP24 to GP20 for the SPI0 bus.
there shouldn't be any backwards compatibility issues since on the rp2040 datasheet, table 2, GP24 can not be used for SPI0 (only SPI1) so SPI on any of the old revisions of the board is non-functional since all the other SPI pins are on SPI0.
Closes: #8272