Merge branch 'spi' of git://git.denx.de/u-boot-x86

arch/sandbox/cpu/os.c

arch/sandbox/cpu/start.c

arch/sandbox/include/asm/config.h

arch/sandbox/include/asm/getopt.h

arch/sandbox/include/asm/sections.h

arch/sandbox/include/asm/spi.h

arch/sandbox/include/asm/state.h

board/sandbox/sandbox/README.sandbox

doc/SPI/README.sandbox-spi

doc/device-tree-bindings/spi/spi-bus.txt

drivers/misc/cros_ec_spi.c

drivers/mtd/spi/Makefile

drivers/mtd/spi/sandbox.c

drivers/mtd/spi/sf_internal.h

drivers/mtd/spi/sf_probe.c

drivers/spi/Makefile

drivers/spi/exynos_spi.c

drivers/spi/sandbox_spi.c

drivers/spi/spi.c

include/configs/exynos5250-dt.h