Patch merged into coreboot/master: soc/intel/apollolake: group serial console options into one Kconfig

the following patch was just integrated into master:
commit 6181030ba62e952fbbd4995ecdff4cea33f0df32
Author: Aaron Durbin 
Date:   Wed Feb 24 18:49:07 2016 -0600

soc/intel/apollolake: group serial console options into one Kconfig

Add SOC_UART_DEBUG which does all the appropriate selection of the
    dependent Kconfig options for seral console. Also provide a default
    option of it being turned off instead of always selected.

Change-Id: I1a6dba9c0072a17859c8f389709afe6fe3b04fac
    Signed-off-by: Aaron Durbin 
    Reviewed-on: https://review.coreboot.org/13790
    Reviewed-by: Furquan Shaikh 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Andrey Petrov

See https://review.coreboot.org/13790 for details.

-gerrit