Please backport 4.12.6-1 for thinkpad x201 user

[Roger Shimizu <rogershimizu@gmail.com>]

Dear kernel maintainers,

Please kindly help to backport kernel 4.12.6-1, which hits testing
already, and helps thinkpad x201 user according to #859639 [0].
Thank you!

[0] https://bugs.debian.org/859639#30

Cheers,
-- 
Roger Shimizu, GMT +9 Tokyo
PGP/GPG: 4096R/6C6ACD6417B3ACB1