[coreboot-gerrit] Patch merged into coreboot/master: skylake: Fix building without serial console

the following patch was just integrated into master:
commit 31be8e403f65a3e086168bf088355ba71368531c
Author: Duncan Laurie 
Date:   Wed Jul 22 09:24:23 2015 -0700

skylake: Fix building without serial console

In order to build without CONFIG_CONSOLE_SERIAL the Skylake
    SOC Kconfig should not be enabling serial console by default.

Also fix other compile issues when serial console is disabled.

BUG=chrome-os-partner:40857
    BRANCH=none
    TEST=build glados without serial console enabled

Change-Id: I2b20d9d9cd66e79587525f7bb458782eeeac4a95
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: f40fbea8d5dade560c08e4abf15a2a1cc28b9e55
    Original-Change-Id: I6c5da8a5eee4090c89deb8feba676479cd834292
    Original-Signed-off-by: Duncan Laurie 
    Original-Reviewed-on: https://chromium-review.googlesource.com/287438
    Original-Reviewed-by: Aaron Durbin 
    Original-Commit-Queue: Aaron Durbin 
    Original-Tested-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/11043
    Reviewed-by: Paul Menzel 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/11043 for details.

-gerrit