mtd: atmel_nand: add MODULE_DEVICE_TABLE for nfc driver

This patch also add a const keyword for the of_device_id of nfc.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 72c2611..5a5d457 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -2244,10 +2244,11 @@
 	return 0;
 }
 
-static struct of_device_id atmel_nand_nfc_match[] = {
+static const struct of_device_id atmel_nand_nfc_match[] = {
 	{ .compatible = "atmel,sama5d3-nfc" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, atmel_nand_nfc_match);
 
 static struct platform_driver atmel_nand_nfc_driver = {
 	.driver = {