[coreboot] Patch merged into coreboot/master: fbbbb4a buildgcc: Explicitely state CC everywhere

the following patch was just integrated into master:
commit fbbbb4a66ab9b1c2c22f75b673a7aa233de6e5e0
Author: Patrick Georgi 
Date:   Fri Nov 4 21:30:49 2011 +0100

buildgcc: Explicitely state CC everywhere

This should fix issues with the iasl Makefile on Debian and
    prepares ccache support for buildgcc.

Change-Id: Id9e6b2044b159b19bf013ec5c47b60ca1c2f2991
    Signed-off-by: Patrick Georgi

Build-Tested: build bot (Jenkins) at Fri Nov  4 22:35:18 2011, giving +1
Reviewed-By: Stefan Reinauer  at Sun Nov  6 18:44:53 2011, giving +2
See http://review.coreboot.org/399 for details.

-gerrit