Fix ICH FWH IDSEL setting with the fwh_idsel= internal programmer parameter

The code took 32 bits of input and wrote them to an 48 bit register,
duplicating some values.
Document the fwh_idsel= parameter in the man page.

Corresponding to flashrom svn r1389.

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