20180806-factory

New single file firmware flashed at offset 0.

To flash "odroid-go.img:

./esptool.py --port "/dev/ttyUSB0" --baud 921600 write_flash -z --flash_mode dio --flash_freq 80m --flash_size detect 0 odroid-go.img

The following was used to create the "odroid-go.img" file:

make erase_flash
make flash

cd tools/esp32img
./esptool.py --port "/dev/ttyUSB0" --baud 921600 read_flash 0 0x100000 odroid-go.bin
./esp32img odroid-go.bin