Backport 27094 ([perso] cleanup SPI transactions during personalization) #29167
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pamaury
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cfrantz,
jwnrt and
timothytrippel
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a team
This updates the personalization firmware and FT test harness to make use of the GPIO TX indicator pin to eliminate the host driven polling of the SPI flash buffer. This makes the wavesforms cleaner to simplify ATE integration. Signed-off-by: Tim Trippel <[email protected]> (cherry picked from commit 5da7c4a)
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timothytrippel
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Jan 26, 2026
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Backport #27094, first commit skipped because it was done as part of #27747