Get rid of perror()

It prints to stderr and that's not what we want necesserily;
using msg_*err gives us more control.

Corresponding to flashrom svn r1668.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
3 files changed