- install CD:
* refactor conditions to better reflect that x86_64 is
the only platform using PC BIOS;
* cleanup temporary mnt dir;
- build_images:
* skip DIB dockerfile patching if already patched;
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Change-Id: I64360bc53e7bde347b0a6b6e101fa9941a5c8e69