[coreboot] Patch merged into coreboot/master: 91f016f Fix reading of number of interrupts for IO-APICs

the following patch was just integrated into master:
commit 91f016fb77ca94e50ecb6723035bf29b1547aaf8
Author: Nico Huber 
Date:   Mon Sep 24 10:48:43 2012 +0200

Fix reading of number of interrupts for IO-APICs

The number read from the io-apic register represents the index of the
    highest interrupt redirection entry, i.e. the number of interrupts
    minus one.

Change-Id: I54c992e4ff400de24bb9fef5d82251078f92c588
    Signed-off-by: Nico Huber

See http://review.coreboot.org/1624 for details.

-gerrit