[coreboot] Patch merged into master: 6bd82fc buildgcc: improve portability

the following patch was just integrated into master:
commit 6bd82fc8b8a6b274bd565798d697ae5a88867c67
Author: Jonathan A. Kollasch 
Date:   Thu Aug 11 14:44:55 2011 -0500

buildgcc: improve portability

`cp --remove-destination` isn't as portable as `rm -f` and `cp`.

Change-Id: Ib05bfc121f7a0b467f8104920e14fbd02191585f
    Signed-off-by: Jonathan A. Kollasch

See http://review.coreboot.org/150 for details.

-gerrit