[coreboot] Patch merged into coreboot/master: a925fd4 crossgcc: update to gcc 4.7.2

the following patch was just integrated into master:
commit a925fd446ddc56c1fac1d6404b181925f9d8f11b
Author: Idwer Vollering 
Date:   Thu Oct 25 02:03:53 2012 +0200

crossgcc: update to gcc 4.7.2

Update crossgcc to use gcc 4.7.2.
    This requires a minor change to util/crossgcc/buildgcc as well.

Tested on hardware with asus/p2b and lenovo/x60.

Change-Id: Ia3921844670ca99741e5715def14dd969f305ab7
    Signed-off-by: Idwer Vollering

Build-Tested: build bot (Jenkins) at Thu Oct 25 03:57:01 2012, giving +1
Reviewed-By: Peter Stuge  at Thu Oct 25 06:27:39 2012, giving +2
See http://review.coreboot.org/1609 for details.

-gerrit