mtd: spi: Switch to new SPI NOR framework

Switch spi_flash_* interfaces to call into new SPI NOR framework via MTD
layer. Fix up sf_dataflash to work in legacy way. And update sandbox to
use new interfaces/definitions

Signed-off-by: Vignesh R <vigneshr@ti.com>
Tested-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Tested-by: Stefan Roese <sr@denx.de>
Tested-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> #zynq-microzed
diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile
index b4c7e1c..70058d3 100644
--- a/drivers/mtd/spi/Makefile
+++ b/drivers/mtd/spi/Makefile
@@ -9,7 +9,7 @@
 obj-$(CONFIG_SPL_SPI_BOOT)	+= fsl_espi_spl.o
 endif
 
-obj-$(CONFIG_SPI_FLASH) += sf_probe.o spi_flash.o spi_flash_ids.o sf.o
-obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o
+obj-$(CONFIG_SPI_FLASH) += sf_probe.o spi-nor-core.o
+obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o sf.o
 obj-$(CONFIG_SPI_FLASH_MTD) += sf_mtd.o
 obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o