mx25pdk: remove nand support as it is not present in current tree

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx25/mx25pdk.c

@@ -23,19 +23,12 @@ static struct imxuart_platform_data uart_pdata = {
 	.flags = IMXUART_HAVE_RTSCTS,
 };
 
-static struct mxc_nand_platform_data nand_board_info = {
-	.width = 1,
-	.hw_ecc = 1,
-};
-
 static void __init mx25pdk_init(void)
 {
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 	mxc_register_device(&mxc_usbh2, NULL);
-	mxc_register_device(&mxc_nand_device, &nand_board_info);
 }
 
-
 static void __init mx25pdk_timer_init(void)
 {
 	mx25_clocks_init(26000000);