[coreboot] Patch merged into coreboot/master: 1c11712 libpayload: Consolidate io vs. mem mapped serial into accessor functions

the following patch was just integrated into master:
commit 1c1171208ff9978ec45d01ade8a0836c3f93b59f
Author: Gabe Black 
Date:   Fri Jan 18 18:04:44 2013 -0800

libpayload: Consolidate io vs. mem mapped serial into accessor functions

This way we won't have two copies of the hardware init function, and three
    copies of the putchar, havechar, and getchar functions.

Change-Id: Ifda7fec5d582244b0e163ee93ffeedeb28ce48da
    Signed-off-by: Gabe Black 
    Reviewed-on: http://review.coreboot.org/2657
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Ronald G. Minnich

Build-Tested: build bot (Jenkins) at Tue Mar 12 05:00:02 2013, giving +1
Reviewed-By: Ronald G. Minnich  at Wed Mar 13 23:04:28 2013, giving +2
See http://review.coreboot.org/2657 for details.

-gerrit