The type of DSPI flash on ls1021aqds is AT45DB021, it has specail
commands and page-size.
Use the special spi flash driver instead of "spi_flash_std" driver.
Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Tested-by: Haikun Wang <haikun.wang@freescale.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jteki@openedev.com>
        dspiflash: at45db021d@0 {
                #address-cells = <1>;
                #size-cells = <1>;
-               compatible = "spi-flash";
+               compatible = "atmel,dataflash";
                spi-max-frequency = <16000000>;
                spi-cpol;
                spi-cpha;