[coreboot-gerrit] Patch merged into coreboot/master: soc/apollolake: Add early serial driver for BOOTBLOCK_CONSOLE

the following patch was just integrated into master:
commit 87fb1a6cdbb58d5031f0dcf9b8ddf200df70a068
Author: Andrey Petrov 
Date:   Wed Feb 10 17:47:03 2016 -0800

soc/apollolake: Add early serial driver for BOOTBLOCK_CONSOLE

Early UART driver is for bootblock and romstage. It is supposed to be used
    when BOOTBLOCK_CONSOLE is enabled. This also adds few configuration bits
    in bootblock requiered for serial to be set up.

Change-Id: I15520d566f107797e68d618885d4379e73d0fa45
    Signed-off-by: Andrey Petrov 
    Reviewed-on: https://review.coreboot.org/13677
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/13677 for details.

-gerrit