Patch merged into coreboot/master: be2c634 superiotool: Allow to override Makefile variables `CC`, `INSTALL` and `PREFIX`

the following patch was just integrated into master:
commit be2c6340b3ce8e48a40724ef8136eb3c80ef4448
Author: Paul Menzel 
Date:   Thu Mar 28 11:44:19 2013 +0100

superiotool: Allow to override Makefile variables `CC`, `INSTALL` and `PREFIX`

This way for example a different compiler can easily be used.

CC=clang make

Change-Id: I50b83554fd4826d00d87e60a30eb1f6a88834397
    Signed-off-by: Paul Menzel 
    Reviewed-on: http://review.coreboot.org/2935
    Tested-by: build bot (Jenkins)
    Reviewed-by: Ronald G. Minnich

Build-Tested: build bot (Jenkins) at Thu Mar 28 12:27:10 2013, giving +1
Reviewed-By: Ronald G. Minnich  at Fri Mar 29 21:32:48 2013, giving +2
See http://review.coreboot.org/2935 for details.

-gerrit