spi: remove omap 100K driver

The OMAP7xx/OMAP8xx support was removed since all of its boards
have no remaining users. Remove its spi driver as well.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: linux-omap@vger.kernel.org
Cc: Cory Maccarrone <darkstar6262@gmail.com>
Cc: Fabrice Crohas <fcrohas@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/spi/Kconfig

@@ -708,12 +708,6 @@ config SPI_TI_QSPI
 	  This device supports single, dual and quad read support, while
 	  it only supports single write mode.
 
-config SPI_OMAP_100K
-	tristate "OMAP SPI 100K"
-	depends on ARCH_OMAP850 || ARCH_OMAP730 || COMPILE_TEST
-	help
-	  OMAP SPI 100K master controller for omap7xx boards.
-
 config SPI_ORION
 	tristate "Orion SPI master"
 	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST

drivers/spi/Makefile

@@ -91,7 +91,6 @@ obj-$(CONFIG_SPI_OC_TINY)		+= spi-oc-tiny.o
 spi-octeon-objs				:= spi-cavium.o spi-cavium-octeon.o
 obj-$(CONFIG_SPI_OCTEON)		+= spi-octeon.o
 obj-$(CONFIG_SPI_OMAP_UWIRE)		+= spi-omap-uwire.o
-obj-$(CONFIG_SPI_OMAP_100K)		+= spi-omap-100k.o
 obj-$(CONFIG_SPI_OMAP24XX)		+= spi-omap2-mcspi.o
 obj-$(CONFIG_SPI_TI_QSPI)		+= spi-ti-qspi.o
 obj-$(CONFIG_SPI_ORION)			+= spi-orion.o