GitLab

Allow compilation on all architectures even if direct hardware access
primitives are missing, if all you need is userspace access to the
serial port (serprog, buspirate) or no access at all (dummy).

Corresponding to flashrom svn r1116.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>