Patch merged into coreboot/master: b9eee79 printk: support and use %hh prefix

the following patch was just integrated into master:
commit b9eee7927830b20115e3482d409c50a8233ffb31
Author: Patrick Georgi 
Date:   Sat Jan 18 16:56:36 2014 +0100

printk: support and use %hh prefix

clang complains otherwise.

Change-Id: I2ac98d7147ecd3d7064f17f8c9d214d44baedf97
    Signed-off-by: Patrick Georgi

See http://review.coreboot.org/4717 for details.

-gerrit