package/espflash: new package
This package provides espflash. A serial flasher utilities for
Espressif devices, based loosely on esptool.py. Supports the
ESP32, ESP32-C2/C3/C6, ESP32-H2, ESP32-P4, and ESP32-S2/S3.
Signed-off-by: Torben Voltmer <mail@t-voltmer.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>