Fix our CMOS checksum algorithm so it matches what /dev/nvram expects

Our cmos checksum is inverted to what the Linux /dev/nvram device expects (and
BIOSes use). This makes it impossible to use /dev/nvram with coreboot. Fix it!

Change-Id: I239f7e3aca05d3691aee16490dd801df2ccaefd1
Signed-off-by: Vadim Bendebury <>
Signed-off-by: Stefan Reinauer <>
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <>
1 file changed