arch aarch64 targets armv7l:aarch64 armv7hl:aarch64

arm64-rpi4-linux-kernel
  +/

arm64-rpi4-linux-kernel-modules
  +/

arm64-rpi4-rt-linux-kernel
  post "mv /boot/Image_rt /boot/Image"
  +/

arm64-rpi4-rt-linux-kernel-modules
  +/