boards/olimexino-stm32f3: add board definition#21806

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maribu wants to merge 4 commits intoRIOT-OS:masterfrom

maribu:boards/olimexino-stm32f3

Commits on Oct 19, 2025

Commits on Oct 20, 2025

fixup! cpu/stm32/periph_usb: block idle power mode
maribu
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