Add support for ONFI compatible NAND devices (NAND logic still incomplete)

drivers/mtd/Kconfig

@@ -82,6 +82,15 @@ config MTD_NAND
 		Enable support for NAND FLASH devices.
 
 if MTD_NAND
+
+config MTD_NAND_EMBEDDEDECC
+	bool "Support devices with Embedded ECC"
+	default n
+	---help--
+		Some NAND devices have internal, embedded ECC function.  One (the
+		only one supported) is Micron, 4-bit ECC, device size = 1Gb or 2Gb
+		or 4Gb.
+
 endif # MTD_NAND
 
 config RAMMTD