[coreboot] Patch merged into coreboot/master: 7512e45 ARMv7: Drop sr32, and wait_on_value

the following patch was just integrated into master:
commit 7512e4593ed535bdd1bc33a91dfb769566146a39
Author: Stefan Reinauer 
Date:   Thu Feb 14 15:56:08 2013 -0800

ARMv7: Drop sr32, and wait_on_value

They're unused. Also drop some unused defines in system.h

Change-Id: Ia5afc3a676a4a94787041430f05d08f333033c73
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/2404
    Reviewed-by: David Hendricks 
    Tested-by: build bot (Jenkins)

Build-Tested: build bot (Jenkins) at Fri Feb 15 01:38:51 2013, giving +1
Reviewed-By: David Hendricks  at Fri Feb 15 01:04:55 2013, giving +2
See http://review.coreboot.org/2404 for details.

-gerrit