* pi5: Write over-voltage config to the UART log
Write the high level over-voltage configuration to the UART log for
diagnostic purposes.
* Stop partition-walk after boot-mode timeout/retries limit
Fix a fatal assert with USB boot where the partition walk could be
retried after the USB timeout/retry limit had been reached.
See: https://github.com/raspberrypi/rpi-eeprom/issues/776
* rpiboot: Extend metadata to report status of operations
Report success/fail status of recovery operations based on config.txt settings
