Patch merged into coreboot/master: kconfig_lint: Add readme document

the following patch was just integrated into master:
commit b5400ad412e1c8e6dba7d9f25d3eb7a5ba96d193
Author: Martin Roth 
Date:   Mon Jan 25 20:10:14 2016 -0700

kconfig_lint: Add readme document

The readme describes the operation and usage of kconfig_lint.
    It also lists all the notes, warnings, and errors that kconfig_lint
    looks for.

Change-Id: I873f394ff93fce42cd9638cbbad6134f1aef3a6a
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/13464
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13464 for details.

-gerrit