ARM: S5P6450: Define base addresses for I2S

Define the base address of I2S-1 and 2 for S5P6450.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: Added description]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5p64x0/include/mach/map.h

@@ -63,6 +63,8 @@
 #define S5P64X0_PA_HSMMC(x)	(0xED800000 + ((x) * 0x100000))
 
 #define S5P64X0_PA_I2S		(0xF2000000)
+#define S5P6450_PA_I2S1		0xF2800000
+#define S5P6450_PA_I2S2		0xF2900000
 
 #define S5P64X0_PA_PCM		(0xF2100000)