ARM: S5P6450: Enable I2S device to work on SMDK6450

Add missing virtual ASoC DMA device and WM8580 as I2C slave,
so that the I2S can work on SMDK6450.

[kgene.kim@samsung.com: removed virtual ASoC DMA device
to avoid build error and it will be added next time]

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: minor changed title]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5p64x0/mach-smdk6450.c

@@ -135,6 +135,7 @@ static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
 };
 
 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
+	{ I2C_BOARD_INFO("wm8580", 0x1b), },
 	{ I2C_BOARD_INFO("24c08", 0x50), },	/* Samsung KS24C080C EEPROM */
 };