Exynos7 SPI controller supports only the auto Selection of
CS toggle mode and Exynos7 SoC includes six SPI controllers.
Add support for these changes in Exynos7 SPI controller driver.
Signed-off-by: NPadmavathi Venna <padma.v@samsung.com>
Signed-off-by: NMark Brown <broonie@kernel.org>