ktqm77: redesign cmos.layout slightly

BIOS write protects 8 bytes of CMOS, which nvramtool can't cope with.
This makes initial installation harder, so just mark those as reserved
to work around the issue.

Change-Id: I210861dff8572e226a0f250556a3b811671ea8f2
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/3531
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/mainboard/kontron/ktqm77/cmos.layout

@@ -88,7 +88,8 @@ entries
 #411          5       r       0        unused
 
 # coreboot config options: bootloader
-416        424       s       0        boot_devices
+448         64       r       0        write_protected_by_bios
+512        328       s       0        boot_devices
 840          8       h       0        boot_default
 848          1       e       9        cmos_defaults_loaded
 #849          7       r       0        unused