SB600 has four write once LPC ROM protect areas

It is not possible to write enable that area once the register is set so
print a warning.

Corresponding to flashrom svn r324 and coreboot v2 svn r3659.

Signed-off-by: Marc Jones <marcj.jones@amd.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
1 file changed