Patch merged into coreboot/master: 4a7aa66 libpayload: Bring keyboard_wait_write() back

the following patch was just integrated into master:
commit 4a7aa6610e08b3dbac7b5018ec08cd9192be83f6
Author: Patrick Georgi 
Date:   Fri Jan 10 20:40:59 2014 +0100

libpayload: Bring keyboard_wait_write() back

Code is using it...

Change-Id: I6894b45cbbf70c8e7ce37ce18d93cadf0ea9fbfc
    Signed-off-by: Patrick Georgi

See http://review.coreboot.org/4649 for details.

-gerrit