Fix compilation of AMD GX2 northbridge code with gcc 4.6

Change-Id: I71d96b7cd36dd99a3590ec311c11f67f13012e68
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/267
Tested-by: build bot (Jenkins)
Reviewed-by: Uwe Hermann <uwe@hermann-uwe.de>
1 file changed