Patch merged into coreboot/master: 5056b5b SPI flash layer: remove unused function spi_flash_free()

the following patch was just integrated into master:
commit 5056b5bb37bc1b86e901fe5738df27ca568c8cb8
Author: Stefan Reinauer 
Date:   Wed Jun 6 13:40:12 2012 -0700

SPI flash layer: remove unused function spi_flash_free()

We don't ever free memory in coreboot, hence drop spi_flash_free() and
    spi_free_slave()

Change-Id: I0ca3f78574ceb4516e7d33c06ab1a58abfb3b0ec
    Signed-off-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Tue Jul 24 01:51:10 2012, giving +1
Reviewed-By: Ronald G. Minnich  at Tue Jul 24 02:37:39 2012, giving +2
See http://review.coreboot.org/1273 for details.

-gerrit