drivers/spi: Sort SPI flash files

Change-Id: Id7e65065556ca7225969ca0afdb21eda24aeb967
Signed-off-by: Christopher Douglass <cdouglass.orion@gmail.com>
Reviewed-on: http://review.coreboot.org/5260
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed