spi/stmp: remove obsolete driver

This driver is obsolete and can't even be built anymore since the
platform it depends has been removed.

The STMP series is completely covered by the MXS platform these days, so
spi-mxs can be used instead.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/Kconfig

@@ -379,12 +379,6 @@ config SPI_SIRF
 	help
 	  SPI driver for CSR SiRFprimaII SoCs
 
-config SPI_STMP3XXX
-	tristate "Freescale STMP37xx/378x SPI/SSP controller"
-	depends on ARCH_STMP3XXX
-	help
-	  SPI driver for Freescale STMP37xx/378x SoC SSP interface
-
 config SPI_MXS
 	tristate "Freescale MXS SPI controller"
 	depends on ARCH_MXS