mtd: denali: add a DT driver

Add a device tree version of the Denali NAND driver. Based
on an original patch from Jamie Iles to add a MMIO version
of this driver.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index e5aa995..cec5712 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -466,6 +466,7 @@
 
 #define INTEL_CE4100	1
 #define INTEL_MRST	2
+#define DT		3
 
 struct denali_nand_info {
 	struct mtd_info mtd;