zephyr_modules = [
  meson.current_source_dir() / 'cmsis',
  meson.current_source_dir() / 'hal_stm32',
  meson.current_source_dir() / 'mbedtls',
  meson.current_source_dir() / 'mcuboot',
]

mcuboot = meson.current_source_dir() / 'mcuboot'
bootloader_firmware = mcuboot / 'boot' / 'zephyr'
imgtool = mcuboot / 'scripts' / 'imgtool.py'