README: Add CONFIG_SPI_FLASH_DATAFLASH description

This patch adds CONFIG_SPI_FLASH_DATAFLASH descrition on README
file for more readble for users.

Signed-off-by: Jagan Teki <jteki@openedev.com>

diff --git a/README b/README
index 168d824..c49af74 100644 (file)
--- a/README
+++ b/README
@@ -3099,6 +3099,11 @@ CBFS (Coreboot Filesystem) support
                is needed for subsystems like UBI which can only operate on top
                of the MTD layer.
 
+               CONFIG_SPI_FLASH_DATAFLASH      SPI based Dataflash
+
+               Define this option to access AT45xxx Dataflash chips support
+               using spi flash interface.
+
 - SystemACE Support:
                CONFIG_SYSTEMACE