same AMD FP4 issue Daniel Rozsnyó with Dell Optiplex 5055 Ryzen APU

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exact same error readout as Daniel Rozsnyó (see link below, from April 23):
https://mail.coreboot.org/hyperkitty/list/[e-mail]/thread/P7TQ7...

Could not find in documentation any indication of non/compatibility of mainboard, computer, or CPU. Would appreciate any help to confirm or deny if possible to make headway towards successful flashing. Thanks.

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