[coreboot] Patch merged into coreboot/master: 28b900a libpayload: Add _ and + to USB HID keymap

the following patch was just integrated into master:
commit 28b900afbd6bcf817654f6cfab90bea8af43f5bd
Author: Patrick Georgi 
Date:   Tue Nov 27 10:19:59 2012 +0100

libpayload: Add _ and + to USB HID keymap

Slightly more complete keymap

Change-Id: I4fef6b8f75ab07cb20a3a8ccd7eaad81c9fe719f
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/1922
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/1922 for details.

-gerrit