EXYNOS5: add display port base address

This patch add display port base address for EXYNOS5. In case of EXYNOS4,
use DEVICE_NOT_AVAILABLE macro because DP is not supported.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/include/asm/arch-exynos/cpu.h

@@ -56,6 +56,7 @@
 #define EXYNOS4_USBPHY_CONTROL		0x10020704
 
 #define EXYNOS4_GPIO_PART4_BASE		DEVICE_NOT_AVAILABLE
+#define EXYNOS4_DP_BASE			DEVICE_NOT_AVAILABLE
 
 /* EXYNOS5 */
 #define EXYNOS5_I2C_SPACING		0x10000
@@ -83,6 +84,7 @@
 #define EXYNOS5_PWMTIMER_BASE		0x12DD0000
 #define EXYNOS5_GPIO_PART2_BASE		0x13400000
 #define EXYNOS5_FIMD_BASE		0x14400000
+#define EXYNOS5_DP_BASE			0x145B0000
 
 #define EXYNOS5_ADC_BASE		DEVICE_NOT_AVAILABLE
 #define EXYNOS5_MODEM_BASE		DEVICE_NOT_AVAILABLE
@@ -150,6 +152,7 @@ static inline unsigned int samsung_get_base_##device(void)	\
 
 SAMSUNG_BASE(adc, ADC_BASE)
 SAMSUNG_BASE(clock, CLOCK_BASE)
+SAMSUNG_BASE(dp, DP_BASE)
 SAMSUNG_BASE(sysreg, SYSREG_BASE)
 SAMSUNG_BASE(fimd, FIMD_BASE)
 SAMSUNG_BASE(i2c, I2C_BASE)