doc: Add a note to imgtool docs

Because of branch, and https server configuration issues, the plain 'go
get' instructions to build imgtool don't work.  Add a note to the README
file for imgtool and give some instructions on how to manually clone the
necessary git repositories.
1 file changed
tree: a2146a9796e82bf6d70f47dc03ec0e97b4fef07b
  1. boot/
  2. imgtool/
  3. scripts/
  4. sim/
  5. .gitignore
  6. build_boot.sh
  7. Makefile
  8. project.yml
  9. README.md
  10. repository.yml
  11. root.pem
  12. sign.sh
README.md

mcuboot

MCU boot loader