These functions were used only for esp32 in secure_boot and flash encryption. Use idf efuse APIs instead of efuse regs.
The CPU might prefetch instructions, which means it in some cases will try to fetch instruction located after the last instruction in flash.text. Add dummy bytes to ensure fetching these wont result in an error, e.g. MMU exceptions
- ESP32 ECO3, ESP32-S2/C3/S3