# https://www.raspberrypi.org/documentation/configuration/pin-configuration.md
# https://www.github.com/raspberrypi/hats/tree/master/eepromutils/
$ dtc -I dts -O dtb -o programrst.dtb programrst.dts
$ ./eepmake programdat.txt programdat.eep programrst.dtb
# now short J7 with a paperclip
#
# optionally erase EEPROM first
$ dd if=/dev/zero ibs=1k count=4 of=blank.eep
$ hexdump blank.eep
# ./eepflash.sh -w -t=24c32 -f=blank.eep
#
# ./eepflash.sh -w -t=24c32 -f=programdat.eep
# to clean binaries, rm programdat.eep programrst.dtb
# to test reboot, blue button, and sendcommrst.sh