zynq: nand: Enable Nand flash controller driver a zynq board

Enable zynq Nand flash controller driver for a zynq ZC770
XM011(dc2) board.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 4f0253c..3a2080f 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -76,6 +76,13 @@
 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
 #endif
 
+#ifdef CONFIG_NAND_ZYNQ
+#define CONFIG_CMD_NAND_LOCK_UNLOCK
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_MTD_DEVICE
+#endif
+
 /* MMC */
 #if defined(CONFIG_ZYNQ_SDHCI)
 # define CONFIG_MMC