Coldfire: Consolidate DSPI driver

Unify both MCF5227x and MCF5445x DSPI driver in CPU to
driver/spi folder for common use.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index a9f67a0..824d8e7 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -28,6 +28,7 @@
 COBJS-$(CONFIG_ATMEL_DATAFLASH_SPI) += atmel_dataflash_spi.o
 COBJS-$(CONFIG_ATMEL_SPI) += atmel_spi.o
 COBJS-$(CONFIG_BFIN_SPI) += bfin_spi.o
+COBJS-$(CONFIG_CF_SPI) += cf_spi.o
 COBJS-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o
 COBJS-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o
 COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o