ref: ccb06791e3ddde584127de0e4aa3ad1c0ea4ae14
dir: /sys/src/boot/reform/mkfile/
FILES=flash.bin boot.scr all:V: $FILES clean:V: rm -f $FILES flash.bin: hget -o flash.bin 'https://source.mnt.re/reform/reform-boundary-uboot/-/jobs/artifacts/v3/raw/flash.bin?job=build' boot.scr: boot.txt aux/txt2uimage -o $target $prereq