sf: dataflash: Rename to CONFIG_SPI_FLASH_DATAFLASH

Rename CONFIG_SF_DATAFLASH into CONFIG_SPI_FLASH_DATAFLASH
as it follows the naming convention same as remaining configs.

Signed-off-by: Jagan Teki <jteki@openedev.com>
diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile
index ed46648..ff48b25 100644
--- a/drivers/mtd/spi/Makefile
+++ b/drivers/mtd/spi/Makefile
@@ -15,9 +15,9 @@
 #ifndef CONFIG_DM_SPI
 obj-$(CONFIG_SPI_FLASH) += sf_probe.o
 #endif
-obj-$(CONFIG_SF_DATAFLASH) += sf_dataflash.o
 obj-$(CONFIG_CMD_SF) += sf.o
 obj-$(CONFIG_SPI_FLASH) += sf_ops.o sf_params.o
+obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o
 obj-$(CONFIG_SPI_FLASH_MTD) += sf_mtd.o
 obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o
 obj-$(CONFIG_SPI_M95XXX) += eeprom_m95xxx.o