Patch merged into coreboot/master: kconfig_lint: make sure if and endif statements are balanced

the following patch was just integrated into master:
commit 0e6c0e18e37b0fa8d543b39a97e676896c7799ba
Author: Martin Roth 
Date:   Wed Mar 2 12:16:13 2016 -0700

kconfig_lint: make sure if and endif statements are balanced

In Kconfig files, the 'if' and 'endif' statements need to match up. A
    file can't start an if statement that's completed in the next file.

Add a check as the files are being parsed to make sure that they match
    up correctly.

Change-Id: If51207ea037089ab84c768e5a868270468cf4c4f
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/13876
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See https://review.coreboot.org/13876 for details.

-gerrit