Change in coreboot[master]: util/inteltool: add lockdown mode detection

[Eloy (Code Review)]

Attention is currently required from: Stefan Reinauer.
Hello build bot (Jenkins), Stefan Reinauer,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/63702

to look at the new patch set (#6).

Change subject: util/inteltool: add lockdown mode detection
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util/inteltool: add lockdown mode detection

Fixes https://github.com/zamaudio/intelmetool/issues/20. When lockdown mode in the Linux kernel is active, it blocks privileged I/O operations. Make the error message less confusing when inteltool is run with root permissions.

Change-Id: I9914fe392d53be390924e60dbfb16d3c9d222f44
Signed-off-by: Eloy Degen 
---
M util/inteltool/inteltool.c
1 file changed, 42 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/02/63702/6