HBSD: Update hbsd-update for 12-stable
- HBSD: Fix the Remote Hash display
- HBSD: improve the debug_print display
- HBSD: improve the help options
- HBSD: exclude /boot/efi with tar
- HBSD: Fix 'find' for the revoked directory
- HBSD: use fetch_update for 'download only'
- HBSD: add 'Download only' option