FlashFloppy 3.34
- AT32F435: Fix startup to MCU spec (LDO voltage, Flash clock divisor)
- AT32F435: Cache HFE and QD image data, since there is plenty of RAM
- Allow rotary encoder on pins PA13/PA14 on any board except QFN32 MCU
- io-test: Fix io-test alt firmware for modern Gotek boards