spi: davici - make davinci select edma

Reported-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>

drivers/spi/Kconfig

@@ -134,6 +134,7 @@ config SPI_DAVINCI
 	tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
 	depends on ARCH_DAVINCI
 	select SPI_BITBANG
+	select TI_EDMA
 	help
 	  SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.