fix armhf download variant prompt
Fix variant list prompt for armhf architecture
before:
[1] NetHunter ARMhf (minimal)
[2] NetHunter ARMhf (nano)
Enter the image you want to install:
after
[1] NetHunter ARMhf (full)
[2] NetHunter ARMhf (minimal)
[3] NetHunter ARMhf (nano)
Enter the image you want to install: