Patch merged into coreboot/master: Build system: Remove IASL_WARNINGS_ARE_ERRORS option

the following patch was just integrated into master:
commit 0f671f6ee94822052395d36a0cb2552877d218cd
Author: Martin Roth 
Date:   Wed Sep 14 18:11:01 2016 -0700

Build system: Remove IASL_WARNINGS_ARE_ERRORS option

All systems are building with IASL warnings as errors enabled.
    Remove the option to disable it.

Remove the notification at the end of the build.

Change-Id: I5c6218c182fdf173b4026fd010d939a5fa36040e
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/16606
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See https://review.coreboot.org/16606 for details.

-gerrit