pm/greaseweazle-firmware @ 89c67939b68eaaae8b838c06eac7b5895990a9ad

Keir Fraser 89c67939b6 at32f4: Make the f4.h header file stand alone.		2 lat temu
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at32	89c67939b6 at32f4: Make the f4.h header file stand alone.	2 lat temu
stm32	08916f8129 STM32F1, AT32F4: Dynamic USB buffer sizing.	3 lat temu