ARM: imx: Change the way nand devices are registered (imx21)

Make use of new mechanism to register a nand device.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
index 39c645a..fde2a57 100644
--- a/arch/arm/mach-imx/mach-mx21ads.c
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -30,6 +30,7 @@
 #include <mach/mxc_nand.h>
 #include <mach/mmc.h>
 
+#include "devices-imx21.h"
 #include "devices.h"
 
 /*
@@ -257,7 +258,8 @@
 	.exit = mx21ads_sdhc_exit,
 };
 
-static struct mxc_nand_platform_data mx21ads_nand_board_info = {
+static const struct mxc_nand_platform_data
+mx21ads_nand_board_info __initconst = {
 	.width = 1,
 	.hw_ecc = 1,
 };
@@ -298,7 +300,7 @@
 	mxc_register_device(&imx2x_uart_device3, &uart_pdata);
 	mxc_register_device(&mxc_fb_device, &mx21ads_fb_data);
 	mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
-	mxc_register_device(&imx21_nand_device, &mx21ads_nand_board_info);
+	imx21_add_mxc_nand(&mx21ads_nand_board_info);
 
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }