Patch merged into coreboot/master: 9027845 rd890: clear IO-APIC before setup

the following patch was just integrated into master:
commit 9027845d65e5e05a45894eb176070fd99e2e073c
Author: Aladyshev Konstantin 
Date:   Tue Dec 18 22:44:01 2012 +0400

rd890: clear IO-APIC before setup

Add function "clear_ioapic" before "setup_ioapic" for RD890 northbridge
    like it is done for SB700 and SB800 chipsets ("amd/cimx/sb{7,8}00").

No functionality change is noticed.

Change-Id: I1fd87692d8bf35c166141c9b7a6a1e748c19a636
    Signed-off-by: Aladyshev Konstantin 
    Reviewed-on: http://review.coreboot.org/2045
    Tested-by: build bot (Jenkins)
    Reviewed-by: Zheng Bao 
    Reviewed-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Wed Dec 19 18:47:57 2012, giving +1
Reviewed-By: Stefan Reinauer  at Thu Jan  3 23:45:08 2013, giving +2
Reviewed-By: Zheng Bao  at Wed Jan  2 11:13:36 2013, giving +1
See http://review.coreboot.org/2045 for details.

-gerrit